2265155212 has 12 divisors (see below), whose sum is σ = 4029006016. Its totient is φ = 1114010640.

The previous prime is 2265155209. The next prime is 2265155219. The reversal of 2265155212 is 2125515622.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2265155219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4641468 + ... + 4641955.

Almost surely, 2^2265155212 is an apocalyptic number.

It is an amenable number.

2265155212 is a deficient number, since it is larger than the sum of its proper divisors (1763850804).

2265155212 is a wasteful number, since it uses less digits than its factorization.

2265155212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9283488 (or 9283486 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 2265155212 is about 47593.6467608861. The cubic root of 2265155212 is about 1313.3061821684.

The spelling of 2265155212 in words is "two billion, two hundred sixty-five million, one hundred fifty-five thousand, two hundred twelve".