2256867550 has 48 divisors (see below), whose sum is σ = 4914497952. Its totient is φ = 754905600.

The previous prime is 2256867533. The next prime is 2256867553. The reversal of 2256867550 is 557686522.

It is a super-2 number, since 2×2256867550² = 10186902276486005000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2256867550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256867553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64287 + ... + 92986.

It is an arithmetic number, because the mean of its divisors is an integer number (102385374).

Almost surely, 2^2256867550 is an apocalyptic number.

2256867550 is an abundant number, since it is smaller than the sum of its proper divisors (2657630402).

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

2256867550 is a wasteful number, since it uses less digits than its factorization.

2256867550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157333 (or 157328 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The square root of 2256867550 is about 47506.5000815678. The cubic root of 2256867550 is about 1311.7025335521.

The spelling of 2256867550 in words is "two billion, two hundred fifty-six million, eight hundred sixty-seven thousand, five hundred fifty".