2265564 has 36 divisors (see below), whose sum is σ = 6150984. Its totient is φ = 647136.

The previous prime is 2265551. The next prime is 2265581. The reversal of 2265564 is 4655622.

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, 1339 + ... + 2514.

2^2265564 is an apocalyptic number.

It is an amenable number.

2265564 is an abundant number, since it is smaller than the sum of its proper divisors (3885420).

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

2265564 is a wasteful number, since it uses less digits than its factorization.

2265564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3874 (or 3865 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 2265564 is about 1505.1790591156. The cubic root of 2265564 is about 131.3385180657.

The spelling of 2265564 in words is "two million, two hundred sixty-five thousand, five hundred sixty-four".