315572223458 has 6 divisors (see below), whose sum is σ = 473359526859. Its totient is φ = 157785714506.

The previous prime is 315572223451. The next prime is 315572223503. The reversal of 315572223458 is 854322275513.

It can be written as a sum of positive squares in only one way, i.e., 157786111729 + 157786111729 = 397223^2 + 397223^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=397223.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315572223451) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 595835 + ... + 993057.

Almost surely, 2^315572223458 is an apocalyptic number.

315572223458 is a deficient number, since it is larger than the sum of its proper divisors (157787303401).

315572223458 is an frugal number, since it uses more digits than its factorization.

315572223458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794448 (or 397225 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 47.

The spelling of 315572223458 in words is "three hundred fifteen billion, five hundred seventy-two million, two hundred twenty-three thousand, four hundred fifty-eight".