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22696692 = 2231891391
BaseRepresentation
bin101011010010…
…1001011110100
31120201010000020
41112211023310
521302243232
62130245140
7363630054
oct126451364
946633006
1022696692
11118a23a7
1277267b0
1349189c5
14302b564
151ed4e2c
hex15a52f4

22696692 has 12 divisors (see below), whose sum is σ = 52958976. Its totient is φ = 7565560.

The previous prime is 22696669. The next prime is 22696693. The reversal of 22696692 is 29669622.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22696693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945684 + ... + 945707.

It is an arithmetic number, because the mean of its divisors is an integer number (4413248).

Almost surely, 222696692 is an apocalyptic number.

It is an amenable number.

22696692 is an abundant number, since it is smaller than the sum of its proper divisors (30262284).

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

22696692 is a wasteful number, since it uses less digits than its factorization.

22696692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891398 (or 1891396 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 22696692 is about 4764.1045328582. The cubic root of 22696692 is about 283.1310642484.

The spelling of 22696692 in words is "twenty-two million, six hundred ninety-six thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 1891391 3782782 5674173 7565564 11348346 22696692