22546256 has 40 divisors (see below), whose sum is σ = 45961344. Its totient is φ = 10693760.

The previous prime is 22546247. The next prime is 22546259. The reversal of 22546256 is 65264522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22546259) 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, 72341 + ... + 72651.

Almost surely, 2^22546256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22546256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22980672).

22546256 is an abundant number, since it is smaller than the sum of its proper divisors (23415088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22546256 is a wasteful number, since it uses less digits than its factorization.

22546256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 533 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 22546256 is about 4748.2897973902. The cubic root of 22546256 is about 282.5041365202.

The spelling of 22546256 in words is "twenty-two million, five hundred forty-six thousand, two hundred fifty-six".