2256572707 has 4 divisors (see below), whose sum is σ = 2389312296. Its totient is φ = 2123833120.

The previous prime is 2256572701. The next prime is 2256572777. The reversal of 2256572707 is 7072756522.

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

It is not a de Polignac number, because 2256572707 - 2¹⁹ = 2256048419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256572701) 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, 66369769 + ... + 66369802.

It is an arithmetic number, because the mean of its divisors is an integer number (597328074).

Almost surely, 2^2256572707 is an apocalyptic number.

2256572707 is a deficient number, since it is larger than the sum of its proper divisors (132739589).

2256572707 is a wasteful number, since it uses less digits than its factorization.

2256572707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132739588.

The product of its (nonzero) digits is 411600, while the sum is 43.

The square root of 2256572707 is about 47503.3967943346. The cubic root of 2256572707 is about 1311.6454096633.

The spelling of 2256572707 in words is "two billion, two hundred fifty-six million, five hundred seventy-two thousand, seven hundred seven".