2256866472 has 32 divisors (see below), whose sum is σ = 6448190400. Its totient is φ = 644818944.

The previous prime is 2256866441. The next prime is 2256866477. The reversal of 2256866472 is 2746686522.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2256866477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6716697 + ... + 6717032.

It is an arithmetic number, because the mean of its divisors is an integer number (201505950).

Almost surely, 2^2256866472 is an apocalyptic number.

It is an amenable number.

2256866472 is an abundant number, since it is smaller than the sum of its proper divisors (4191323928).

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

2256866472 is a wasteful number, since it uses less digits than its factorization.

2256866472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13433745 (or 13433741 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The square root of 2256866472 is about 47506.4887357506. The cubic root of 2256866472 is about 1311.7023247058.

The spelling of 2256866472 in words is "two billion, two hundred fifty-six million, eight hundred sixty-six thousand, four hundred seventy-two".