315222405452 has 24 divisors (see below), whose sum is σ = 570008850432. Its totient is φ = 152372998800.

The previous prime is 315222405389. The next prime is 315222405457. The reversal of 315222405452 is 254504222513.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (315222405457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159718 + ... + 1405485.

It is an arithmetic number, because the mean of its divisors is an integer number (23750368768).

Almost surely, 2^315222405452 is an apocalyptic number.

It is an amenable number.

315222405452 is a deficient number, since it is larger than the sum of its proper divisors (254786444980).

315222405452 is a wasteful number, since it uses less digits than its factorization.

315222405452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566229 (or 2566227 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 315222405452 its reverse (254504222513), we get a palindrome (569726627965).

The spelling of 315222405452 in words is "three hundred fifteen billion, two hundred twenty-two million, four hundred five thousand, four hundred fifty-two".