22256338 has 16 divisors (see below), whose sum is σ = 36544536. Its totient is φ = 10103040.

The previous prime is 22256329. The next prime is 22256347. The reversal of 22256338 is 83365222.

It is an interprime number because it is at equal distance from previous prime (22256329) and next prime (22256347).

It can be written as a sum of positive squares in 4 ways, for example, as 4422609 + 17833729 = 2103^2 + 4223^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5431 + ... + 8602.

Almost surely, 2^22256338 is an apocalyptic number.

22256338 is a deficient number, since it is larger than the sum of its proper divisors (14288198).

22256338 is a wasteful number, since it uses less digits than its factorization.

22256338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14109.

The product of its digits is 17280, while the sum is 31.

The square root of 22256338 is about 4717.6623448483. The cubic root of 22256338 is about 281.2880200124.

The spelling of 22256338 in words is "twenty-two million, two hundred fifty-six thousand, three hundred thirty-eight".