315620122 has 8 divisors (see below), whose sum is σ = 494014176. Its totient is φ = 150948732.

The previous prime is 315620093. The next prime is 315620143. The reversal of 315620122 is 221026513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×315620122² = 199232122822589768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315620093 and 315620102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3430608 + ... + 3430699.

It is an arithmetic number, because the mean of its divisors is an integer number (61751772).

Almost surely, 2^315620122 is an apocalyptic number.

315620122 is a deficient number, since it is larger than the sum of its proper divisors (178394054).

315620122 is a wasteful number, since it uses less digits than its factorization.

315620122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6861332.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 315620122 is about 17765.7007179565. The cubic root of 315620122 is about 680.8554128047.

Adding to 315620122 its reverse (221026513), we get a palindrome (536646635).

The spelling of 315620122 in words is "three hundred fifteen million, six hundred twenty thousand, one hundred twenty-two".