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2221000022010 = 2357111163826717
BaseRepresentation
bin100000010100011101111…
…010101101011111111010
321212022210022101012000110
4200110131322231133322
5242342102001201020
64420151402245150
7316314310461030
oct40243572553772
97768708335013
102221000022010
11786a1467a380
122ba5404b67b6
131315934a5373
14796d59ac550
153cb8eda58e0
hex2051dead7fa

2221000022010 has 128 divisors (see below), whose sum is σ = 6651415885824. Its totient is φ = 461109116160.

The previous prime is 2221000021951. The next prime is 2221000022011. The reversal of 2221000022010 is 102200001222.

It is not an unprimeable number, because it can be changed into a prime (2221000022011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2273172 + ... + 3099888.

It is an arithmetic number, because the mean of its divisors is an integer number (51964186608).

Almost surely, 22221000022010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221000022010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3325707942912).

2221000022010 is an abundant number, since it is smaller than the sum of its proper divisors (4430415863814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221000022010 is a wasteful number, since it uses less digits than its factorization.

2221000022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827908.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2221000022010 its reverse (102200001222), we get a palindrome (2323200023232).

The spelling of 2221000022010 in words is "two trillion, two hundred twenty-one billion, twenty-two thousand, ten".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 70 77 105 110 154 165 210 231 330 385 462 770 1155 1163 2310 2326 3489 5815 6978 8141 11630 12793 16282 17445 24423 25586 34890 38379 40705 48846 63965 76758 81410 89551 122115 127930 179102 191895 244230 268653 383790 447755 537306 826717 895510 1343265 1653434 2480151 2686530 4133585 4960302 5787019 8267170 9093887 11574038 12400755 17361057 18187774 24801510 27281661 28935095 34722114 45469435 54563322 57870190 63657209 86805285 90938870 127314418 136408305 173610570 190971627 272816610 318286045 381943254 636572090 954858135 961471871 1909716270 1922943742 2884415613 4807359355 5768831226 6730303097 9614718710 10576190581 13460606194 14422078065 20190909291 21152381162 28844156130 31728571743 33651515485 40381818582 52880952905 63457143486 67303030970 74033334067 100954546455 105761905810 148066668134 158642858715 201909092910 222100002201 317285717430 370166670335 444200004402 740333340670 1110500011005 2221000022010