2255890647 has 16 divisors (see below), whose sum is σ = 3029022720. Its totient is φ = 1493379552.

The previous prime is 2255890627. The next prime is 2255890649. The reversal of 2255890647 is 7460985522.

2255890647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2255890647 - 2⁷ = 2255890519 is a prime.

It is a super-2 number, since 2×2255890647² = 10178085222444157218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2255890596 and 2255890605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255890649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258853 + ... + 267425.

It is an arithmetic number, because the mean of its divisors is an integer number (189313920).

Almost surely, 2^2255890647 is an apocalyptic number.

2255890647 is a deficient number, since it is larger than the sum of its proper divisors (773132073).

2255890647 is a wasteful number, since it uses less digits than its factorization.

2255890647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9182.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 2255890647 is about 47496.2171862139. The cubic root of 2255890647 is about 1311.5132459599.

The spelling of 2255890647 in words is "two billion, two hundred fifty-five million, eight hundred ninety thousand, six hundred forty-seven".