22156496 has 10 divisors (see below), whose sum is σ = 42928242. Its totient is φ = 11078240.

The previous prime is 22156487. The next prime is 22156517. The reversal of 22156496 is 69465122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21715600 + 440896 = 4660^2 + 664^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692375 + ... + 692406.

Almost surely, 2^22156496 is an apocalyptic number.

It is an amenable number.

22156496 is a deficient number, since it is larger than the sum of its proper divisors (20771746).

22156496 is a wasteful number, since it uses less digits than its factorization.

22156496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384789 (or 1384783 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 22156496 is about 4707.0687269255. The cubic root of 22156496 is about 280.8667698352.

The spelling of 22156496 in words is "twenty-two million, one hundred fifty-six thousand, four hundred ninety-six".