22595256 has 96 divisors (see below), whose sum is σ = 65520000. Its totient is φ = 7013952.

The previous prime is 22595233. The next prime is 22595257. The reversal of 22595256 is 65259522.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22595256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22595257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113445 + ... + 113643.

It is an arithmetic number, because the mean of its divisors is an integer number (682500).

Almost surely, 2^22595256 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 22595256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32760000).

22595256 is an abundant number, since it is smaller than the sum of its proper divisors (42924744).

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

22595256 is a wasteful number, since it uses less digits than its factorization.

22595256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 306 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 22595256 is about 4753.4467494651. The cubic root of 22595256 is about 282.7086447782.

It can be divided in two parts, 225 and 95256, that added together give a square (95481 = 309²).

The spelling of 22595256 in words is "twenty-two million, five hundred ninety-five thousand, two hundred fifty-six".