22738256 has 10 divisors (see below), whose sum is σ = 44055402. Its totient is φ = 11369120.

The previous prime is 22738229. The next prime is 22738273. The reversal of 22738256 is 65283722.

It can be written as a sum of positive squares in only one way, i.e., 22657600 + 80656 = 4760^2 + 284^2 .

It is a zygodrome in base 4.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 710555 + ... + 710586.

Almost surely, 2^22738256 is an apocalyptic number.

It is an amenable number.

22738256 is a deficient number, since it is larger than the sum of its proper divisors (21317146).

22738256 is a wasteful number, since it uses less digits than its factorization.

22738256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421149 (or 1421143 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 22738256 is about 4768.4647424512. The cubic root of 22738256 is about 283.3037896146.

It can be divided in two parts, 227 and 38256, that added together give a palindrome (38483).

The spelling of 22738256 in words is "twenty-two million, seven hundred thirty-eight thousand, two hundred fifty-six".