2277157564 has 18 divisors (see below), whose sum is σ = 4380235832. Its totient is φ = 1035071400.

The previous prime is 2277157513. The next prime is 2277157601. The reversal of 2277157564 is 4657517722.

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, 2351952 + ... + 2352919.

Almost surely, 2^2277157564 is an apocalyptic number.

It is an amenable number.

2277157564 is a deficient number, since it is larger than the sum of its proper divisors (2103078268).

2277157564 is a wasteful number, since it uses less digits than its factorization.

2277157564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704897 (or 4704884 counting only the distinct ones).

The product of its digits is 823200, while the sum is 46.

The square root of 2277157564 is about 47719.5721271681. The cubic root of 2277157564 is about 1315.6216973860.

The spelling of 2277157564 in words is "two billion, two hundred seventy-seven million, one hundred fifty-seven thousand, five hundred sixty-four".