22156382 has 16 divisors (see below), whose sum is σ = 34504704. Its totient is φ = 10659000.

The previous prime is 22156369. The next prime is 22156397. The reversal of 22156382 is 28365122.

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, 10907 + ... + 12777.

It is an arithmetic number, because the mean of its divisors is an integer number (2156544).

Almost surely, 2^22156382 is an apocalyptic number.

22156382 is a deficient number, since it is larger than the sum of its proper divisors (12348322).

22156382 is a wasteful number, since it uses less digits than its factorization.

22156382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095.

The product of its digits is 5760, while the sum is 29.

The square root of 22156382 is about 4707.0566174628. The cubic root of 22156382 is about 280.8662881275.

The spelling of 22156382 in words is "twenty-two million, one hundred fifty-six thousand, three hundred eighty-two".