2553222456 has 96 divisors (see below), whose sum is σ = 7229813760. Its totient is φ = 812471616.

The previous prime is 2553222449. The next prime is 2553222493. The reversal of 2553222456 is 6542223552.

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 2553222456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1070241 + ... + 1072623.

It is an arithmetic number, because the mean of its divisors is an integer number (75310560).

Almost surely, 2^2553222456 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 2553222456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3614906880).

2553222456 is an abundant number, since it is smaller than the sum of its proper divisors (4676591304).

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

2553222456 is a wasteful number, since it uses less digits than its factorization.

2553222456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065 (or 3058 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 2553222456 is about 50529.4216867757. The cubic root of 2553222456 is about 1366.7724573538.

The spelling of 2553222456 in words is "two billion, five hundred fifty-three million, two hundred twenty-two thousand, four hundred fifty-six".