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22210000002 = 23223598571061
BaseRepresentation
bin10100101011110100…
…011011010010000010
32010022212000220022200
4110223310123102002
5330441230000002
614111513214030
71414245612411
oct245364332202
963285026280
1022210000002
119467a69803
12437a101316
13212c4cab48
141109a07478
1589ecb0b1c
hex52bd1b482

22210000002 has 96 divisors (see below), whose sum is σ = 51172767360. Its totient is φ = 6946748160.

The previous prime is 22209999989. The next prime is 22210000009. The reversal of 22210000002 is 20000001222.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (22210000009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20932552 + ... + 20933612.

It is an arithmetic number, because the mean of its divisors is an integer number (533049660).

Almost surely, 222210000002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22210000002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25586383680).

22210000002 is an abundant number, since it is smaller than the sum of its proper divisors (28962767358).

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

22210000002 is a wasteful number, since it uses less digits than its factorization.

22210000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 22210000002 its reverse (20000001222), we get a palindrome (42210001224).

The spelling of 22210000002 in words is "twenty-two billion, two hundred ten million, two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 23 46 59 69 118 138 177 207 354 414 531 857 1061 1062 1357 1714 2122 2571 2714 3183 4071 5142 6366 7713 8142 9549 12213 15426 19098 19711 24403 24426 39422 48806 50563 59133 62599 73209 101126 118266 125198 146418 151689 177399 187797 219627 303378 354798 375594 439254 455067 563391 909277 910134 1126782 1162949 1439777 1818554 2325898 2727831 2879554 3488847 4319331 5455662 6977694 8183493 8638662 10466541 12957993 16366986 20913371 20933082 25915986 41826742 53647343 62740113 107294686 125480226 160942029 188220339 321884058 376440678 482826087 965652174 1233888889 2467777778 3701666667 7403333334 11105000001 22210000002