2265156 has 18 divisors (see below), whose sum is σ = 5725902. Its totient is φ = 755040.

The previous prime is 2265149. The next prime is 2265163. The reversal of 2265156 is 6515622.

2265156 is a `hidden beast` number, since 2 + 2 + 651 + 5 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2265149) and next prime (2265163).

It can be written as a sum of positive squares in only one way, i.e., 2005056 + 260100 = 1416^2 + 510^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31425 + ... + 31496.

2^2265156 is an apocalyptic number.

It is an amenable number.

2265156 is an abundant number, since it is smaller than the sum of its proper divisors (3460746).

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

2265156 is a wasteful number, since it uses less digits than its factorization.

2265156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62931 (or 62926 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2265156 is about 1505.0435209654. The cubic root of 2265156 is about 131.3306334459.

The spelling of 2265156 in words is "two million, two hundred sixty-five thousand, one hundred fifty-six".