315232127222 has 4 divisors (see below), whose sum is σ = 472848190836. Its totient is φ = 157616063610.

The previous prime is 315232127213. The next prime is 315232127297. The reversal of 315232127222 is 222721232513.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78808031804 + ... + 78808031807.

It is an arithmetic number, because the mean of its divisors is an integer number (118212047709).

Almost surely, 2^315232127222 is an apocalyptic number.

315232127222 is a deficient number, since it is larger than the sum of its proper divisors (157616063614).

315232127222 is a wasteful number, since it uses less digits than its factorization.

315232127222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157616063613.

The product of its digits is 20160, while the sum is 32.

Adding to 315232127222 its reverse (222721232513), we get a palindrome (537953359735).

The spelling of 315232127222 in words is "three hundred fifteen billion, two hundred thirty-two million, one hundred twenty-seven thousand, two hundred twenty-two".