2222425656 has 48 divisors (see below), whose sum is σ = 6566259960. Its totient is φ = 673462080.

The previous prime is 2222425637. The next prime is 2222425663. The reversal of 2222425656 is 6565242222.

2222425656 is a `hidden beast` number, since 2 + 222 + 425 + 6 + 5 + 6 = 666.

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 2222425656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1402255 + ... + 1403838.

Almost surely, 2^2222425656 is an apocalyptic number.

It is an amenable number.

2222425656 is an abundant number, since it is smaller than the sum of its proper divisors (4343834304).

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

2222425656 is a wasteful number, since it uses less digits than its factorization.

2222425656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806116 (or 2806109 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 2222425656 is about 47142.6097707796. The cubic root of 2222425656 is about 1304.9956999902.

Adding to 2222425656 its reverse (6565242222), we get a palindrome (8787667878).

It can be divided in two parts, 2222425 and 656, that added together give a square (2223081 = 1491²).

The spelling of 2222425656 in words is "two billion, two hundred twenty-two million, four hundred twenty-five thousand, six hundred fifty-six".