22156354 has 16 divisors (see below), whose sum is σ = 36352800. Its totient is φ = 10044160.

The previous prime is 22156349. The next prime is 22156357. The reversal of 22156354 is 45365122.

It is not an unprimeable number, because it can be changed into a prime (22156357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8757 + ... + 10999.

It is an arithmetic number, because the mean of its divisors is an integer number (2272050).

Almost surely, 2^22156354 is an apocalyptic number.

22156354 is a deficient number, since it is larger than the sum of its proper divisors (14196446).

22156354 is a wasteful number, since it uses less digits than its factorization.

22156354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705.

The product of its digits is 7200, while the sum is 28.

The square root of 22156354 is about 4707.0536432040. The cubic root of 22156354 is about 280.8661698131.

The spelling of 22156354 in words is "twenty-two million, one hundred fifty-six thousand, three hundred fifty-four".