2224206664 has 8 divisors (see below), whose sum is σ = 4170387510. Its totient is φ = 1112103328.

The previous prime is 2224206659. The next prime is 2224206703. The reversal of 2224206664 is 4666024222.

It can be written as a sum of positive squares in only one way, i.e., 1767529764 + 456676900 = 42042^2 + 21370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139012909 + ... + 139012924.

Almost surely, 2^2224206664 is an apocalyptic number.

It is an amenable number.

2224206664 is a deficient number, since it is larger than the sum of its proper divisors (1946180846).

2224206664 is a wasteful number, since it uses less digits than its factorization.

2224206664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278025839 (or 278025835 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 2224206664 is about 47161.4955657685. The cubic root of 2224206664 is about 1305.3442061661.

The spelling of 2224206664 in words is "two billion, two hundred twenty-four million, two hundred six thousand, six hundred sixty-four".