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22001302230 = 2353753373981
BaseRepresentation
bin10100011111011000…
…010011101011010110
32002210022022221210120
4110133120103223112
5330024313132410
614035100132410
71406132661165
oct243730235326
962708287716
1022001302230
119370186006
124320237106
1320c81b993b
1410c9ddd3dc
1588b7d9570
hex51f613ad6

22001302230 has 64 divisors (see below), whose sum is σ = 55253596608. Its totient is φ = 5600724480.

The previous prime is 22001302223. The next prime is 22001302243. The reversal of 22001302230 is 3220310022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128161 + ... + 245820.

It is an arithmetic number, because the mean of its divisors is an integer number (863337447).

Almost surely, 222001302230 is an apocalyptic number.

22001302230 is an abundant number, since it is smaller than the sum of its proper divisors (33252294378).

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

22001302230 is a wasteful number, since it uses less digits than its factorization.

22001302230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374081.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22001302230 its reverse (3220310022), we get a palindrome (25221612252).

The spelling of 22001302230 in words is "twenty-two billion, one million, three hundred two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 53 74 106 111 159 185 222 265 318 370 530 555 795 1110 1590 1961 3922 5883 9805 11766 19610 29415 58830 373981 747962 1121943 1869905 2243886 3739810 5609715 11219430 13837297 19820993 27674594 39641986 41511891 59462979 69186485 83023782 99104965 118925958 138372970 198209930 207559455 297314895 415118910 594629790 733376741 1466753482 2200130223 3666883705 4400260446 7333767410 11000651115 22001302230