2522256 has 80 divisors (see below), whose sum is σ = 7553088. Its totient is φ = 716800.

The previous prime is 2522237. The next prime is 2522257. The reversal of 2522256 is 6522252.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2522257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8836 + ... + 9116.

2^2522256 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 2522256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3776544).

2522256 is an abundant number, since it is smaller than the sum of its proper divisors (5030832).

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

2522256 is a wasteful number, since it uses less digits than its factorization.

2522256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 314 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 2522256 is about 1588.1612008861. The cubic root of 2522256 is about 136.1224387568.

The spelling of 2522256 in words is "two million, five hundred twenty-two thousand, two hundred fifty-six".