2256215700 has 36 divisors (see below), whose sum is σ = 6527984960. Its totient is φ = 601657440.

The previous prime is 2256215653. The next prime is 2256215701. The reversal of 2256215700 is 75126522.

2256215700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256215701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3760060 + ... + 3760659.

Almost surely, 2^2256215700 is an apocalyptic number.

2256215700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2256215700 is an abundant number, since it is smaller than the sum of its proper divisors (4271769260).

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

2256215700 is a wasteful number, since it uses less digits than its factorization.

2256215700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7520736 (or 7520729 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2256215700 is about 47499.6389459962. The cubic root of 2256215700 is about 1311.5762352485.

The spelling of 2256215700 in words is "two billion, two hundred fifty-six million, two hundred fifteen thousand, seven hundred".