338722564057 has 4 divisors (see below), whose sum is σ = 339945389476. Its totient is φ = 337499738640.

The previous prime is 338722564039. The next prime is 338722564091. The reversal of 338722564057 is 750465227833.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 223184435776 + 115538128281 = 472424^2 + 339909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338722564057 is a prime.

It is a super-2 number, since 2×338722564057² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 338722563995 and 338722564013.

It is not an unprimeable number, because it can be changed into a prime (338722568057) 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, 611412294 + ... + 611412847.

It is an arithmetic number, because the mean of its divisors is an integer number (84986347369).

Almost surely, 2^338722564057 is an apocalyptic number.

It is an amenable number.

338722564057 is a deficient number, since it is larger than the sum of its proper divisors (1222825419).

338722564057 is a wasteful number, since it uses less digits than its factorization.

338722564057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222825418.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 338722564057 in words is "three hundred thirty-eight billion, seven hundred twenty-two million, five hundred sixty-four thousand, fifty-seven".