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22212214031 = 743156747093
BaseRepresentation
bin10100101011111100…
…110111110100001111
32010100000012101101202
4110223330313310033
5330442311322111
614112032500115
71414303463330
oct245374676417
963300171352
1022212214031
119469241187
12437a9aa63b
13212cac4817
14110a022287
158a009bb3b
hex52bf37d0f

22212214031 has 16 divisors (see below), whose sum is σ = 25992873984. Its totient is φ = 18584010144.

The previous prime is 22212214019. The next prime is 22212214049. The reversal of 22212214031 is 13041221222.

It is not a de Polignac number, because 22212214031 - 234 = 5032344847 is a prime.

It is a super-2 number, since 2×222122140312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22212213994 and 22212214012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212214091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448121 + ... + 495213.

It is an arithmetic number, because the mean of its divisors is an integer number (1624554624).

Almost surely, 222212214031 is an apocalyptic number.

22212214031 is a deficient number, since it is larger than the sum of its proper divisors (3780659953).

22212214031 is a wasteful number, since it uses less digits than its factorization.

22212214031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48710.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22212214031 its reverse (13041221222), we get a palindrome (35253435253).

The spelling of 22212214031 in words is "twenty-two billion, two hundred twelve million, two hundred fourteen thousand, thirty-one".

Divisors: 1 7 43 301 1567 10969 47093 67381 329651 471667 2024999 14174993 73794731 516563117 3173173433 22212214031