2256566622 has 16 divisors (see below), whose sum is σ = 4522886400. Its totient is φ = 750563352.

The previous prime is 2256566617. The next prime is 2256566671. The reversal of 2256566622 is 2266656522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403372 + ... + 408927.

It is an arithmetic number, because the mean of its divisors is an integer number (282680400).

Almost surely, 2^2256566622 is an apocalyptic number.

2256566622 is an abundant number, since it is smaller than the sum of its proper divisors (2266319778).

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

2256566622 is a wasteful number, since it uses less digits than its factorization.

2256566622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812767.

The product of its digits is 518400, while the sum is 42.

The square root of 2256566622 is about 47503.3327462400. The cubic root of 2256566622 is about 1311.6442306822.

The spelling of 2256566622 in words is "two billion, two hundred fifty-six million, five hundred sixty-six thousand, six hundred twenty-two".