22452256 has 48 divisors (see below), whose sum is σ = 45987480. Its totient is φ = 10782720.

The previous prime is 22452251. The next prime is 22452289. The reversal of 22452256 is 65225422.

It can be written as a sum of positive squares in 4 ways, for example, as 13571856 + 8880400 = 3684^2 + 2980^2 .

It is not an unprimeable number, because it can be changed into a prime (22452251) 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, 142930 + ... + 143086.

Almost surely, 2^22452256 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 22452256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22993740).

22452256 is an abundant number, since it is smaller than the sum of its proper divisors (23535224).

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

22452256 is a wasteful number, since it uses less digits than its factorization.

22452256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 309 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 22452256 is about 4738.3811581594. The cubic root of 22452256 is about 282.1109835947.

Adding to 22452256 its reverse (65225422), we get a palindrome (87677678).

The spelling of 22452256 in words is "twenty-two million, four hundred fifty-two thousand, two hundred fifty-six".