2256264215 has 4 divisors (see below), whose sum is σ = 2707517064. Its totient is φ = 1805011368.

The previous prime is 2256264209. The next prime is 2256264239. The reversal of 2256264215 is 5124626522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2256264215 - 2²⁶ = 2189155351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225626417 + ... + 225626426.

It is an arithmetic number, because the mean of its divisors is an integer number (676879266).

Almost surely, 2^2256264215 is an apocalyptic number.

2256264215 is a deficient number, since it is larger than the sum of its proper divisors (451252849).

2256264215 is an equidigital number, since it uses as much as digits as its factorization.

2256264215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451252848.

The product of its digits is 57600, while the sum is 35.

The square root of 2256264215 is about 47500.1496313433. The cubic root of 2256264215 is about 1311.5856360437.

The spelling of 2256264215 in words is "two billion, two hundred fifty-six million, two hundred sixty-four thousand, two hundred fifteen".