2225566664 has 16 divisors (see below), whose sum is σ = 4354369920. Its totient is φ = 1064401360.

The previous prime is 2225566649. The next prime is 2225566667. The reversal of 2225566664 is 4666655222.

It is not an unprimeable number, because it can be changed into a prime (2225566667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6047552 + ... + 6047919.

It is an arithmetic number, because the mean of its divisors is an integer number (272148120).

Almost surely, 2^2225566664 is an apocalyptic number.

It is an amenable number.

2225566664 is a deficient number, since it is larger than the sum of its proper divisors (2128803256).

2225566664 is a wasteful number, since it uses less digits than its factorization.

2225566664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12095500 (or 12095496 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 44.

The square root of 2225566664 is about 47175.9119042759. The cubic root of 2225566664 is about 1305.6102045916.

The spelling of 2225566664 in words is "two billion, two hundred twenty-five million, five hundred sixty-six thousand, six hundred sixty-four".