2256831550 has 12 divisors (see below), whose sum is σ = 4197706776. Its totient is φ = 902732600.

The previous prime is 2256831517. The next prime is 2256831569. The reversal of 2256831550 is 551386522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22568266 + ... + 22568365.

It is an arithmetic number, because the mean of its divisors is an integer number (349808898).

Almost surely, 2^2256831550 is an apocalyptic number.

2256831550 is a deficient number, since it is larger than the sum of its proper divisors (1940875226).

2256831550 is a wasteful number, since it uses less digits than its factorization.

2256831550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45136643 (or 45136638 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 2256831550 is about 47506.1211845379. The cubic root of 2256831550 is about 1311.6955590560.

The spelling of 2256831550 in words is "two billion, two hundred fifty-six million, eight hundred thirty-one thousand, five hundred fifty".