22156892 has 24 divisors (see below), whose sum is σ = 40007520. Its totient is φ = 10730240.

The previous prime is 22156879. The next prime is 22156913. The reversal of 22156892 is 29865122.

It is a happy number.

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, 26984 + ... + 27792.

It is an arithmetic number, because the mean of its divisors is an integer number (1666980).

Almost surely, 2^22156892 is an apocalyptic number.

It is an amenable number.

22156892 is a deficient number, since it is larger than the sum of its proper divisors (17850628).

22156892 is a wasteful number, since it uses less digits than its factorization.

22156892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 1019 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 22156892 is about 4707.1107911329. The cubic root of 22156892 is about 280.8684431230.

The spelling of 22156892 in words is "twenty-two million, one hundred fifty-six thousand, eight hundred ninety-two".