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22213212132 = 2231997426369
BaseRepresentation
bin10100101100000000…
…101011011111100100
32010100002002002112110
4110230000223133210
5330443040242012
614112110121020
71414315121256
oct245400533744
963302062473
1022213212132
119469863061
12437b1b0170
132130083c07
14110a201cd6
158a01e773c
hex52c02b7e4

22213212132 has 24 divisors (see below), whose sum is σ = 54558767200. Its totient is φ = 7014698496.

The previous prime is 22213212107. The next prime is 22213212143. The reversal of 22213212132 is 23121231222.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22213212099 and 22213212108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48712957 + ... + 48713412.

Almost surely, 222213212132 is an apocalyptic number.

It is an amenable number.

22213212132 is an abundant number, since it is smaller than the sum of its proper divisors (32345555068).

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

22213212132 is a wasteful number, since it uses less digits than its factorization.

22213212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97426395 (or 97426393 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

Adding to 22213212132 its reverse (23121231222), we get a palindrome (45334443354).

The spelling of 22213212132 in words is "twenty-two billion, two hundred thirteen million, two hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 97426369 194852738 292279107 389705476 584558214 1169116428 1851101011 3702202022 5553303033 7404404044 11106606066 22213212132