2227561664 has 28 divisors (see below), whose sum is σ = 4449610608. Its totient is φ = 1106400000.

The previous prime is 2227561643. The next prime is 2227561673. The reversal of 2227561664 is 4661657222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105587 + ... + 124914.

Almost surely, 2^2227561664 is an apocalyptic number.

It is an amenable number.

2227561664 is a deficient number, since it is larger than the sum of its proper divisors (2222048944).

2227561664 is a wasteful number, since it uses less digits than its factorization.

2227561664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230664 (or 230654 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 2227561664 is about 47197.0514333258. The cubic root of 2227561664 is about 1306.0002048112. Note that the first 3 decimals are identical.

The spelling of 2227561664 in words is "two billion, two hundred twenty-seven million, five hundred sixty-one thousand, six hundred sixty-four".