338622664 has 8 divisors (see below), whose sum is σ = 634917510. Its totient is φ = 169311328.

The previous prime is 338622619. The next prime is 338622667. The reversal of 338622664 is 466226833.

It can be written as a sum of positive squares in only one way, i.e., 333062500 + 5560164 = 18250^2 + 2358^2 .

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

It is a super-2 number, since 2×338622664² = 229330617148913792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338622667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21163909 + ... + 21163924.

Almost surely, 2^338622664 is an apocalyptic number.

It is an amenable number.

338622664 is a deficient number, since it is larger than the sum of its proper divisors (296294846).

338622664 is a wasteful number, since it uses less digits than its factorization.

338622664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42327839 (or 42327835 counting only the distinct ones).

The product of its digits is 248832, while the sum is 40.

The square root of 338622664 is about 18401.7027473003. The cubic root of 338622664 is about 697.0094624381.

The spelling of 338622664 in words is "three hundred thirty-eight million, six hundred twenty-two thousand, six hundred sixty-four".