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22012022022 = 234517981203
BaseRepresentation
bin10100100000000001…
…001100110100000110
32002211001111120120220
4110200001030310012
5330040034201042
614040122005210
71406323046214
oct244001146406
962731446526
1022012022022
119376237a41
124323946806
1320ca4a1003
1410cb5cdcb4
1588c7058ec
hex52004cd06

22012022022 has 16 divisors (see below), whose sum is σ = 44025560640. Its totient is φ = 7337087912.

The previous prime is 22012022017. The next prime is 22012022119. The reversal of 22012022022 is 22022021022.

It is a super-2 number, since 2×220120220222 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22012021992 and 22012022010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230473 + ... + 311675.

It is an arithmetic number, because the mean of its divisors is an integer number (2751597540).

Almost surely, 222012022022 is an apocalyptic number.

22012022022 is an abundant number, since it is smaller than the sum of its proper divisors (22013538618).

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

22012022022 is a wasteful number, since it uses less digits than its factorization.

22012022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126387.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22012022022 its reverse (22022021022), we get a palindrome (44034043044).

The spelling of 22012022022 in words is "twenty-two billion, twelve million, twenty-two thousand, twenty-two".

Divisors: 1 2 3 6 45179 81203 90358 135537 162406 243609 271074 487218 3668670337 7337340674 11006011011 22012022022