315628622 has 4 divisors (see below), whose sum is σ = 473442936. Its totient is φ = 157814310.

The previous prime is 315628571. The next prime is 315628633. The reversal of 315628622 is 226826513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226826513 = 2341 ⋅96893.

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, 78907154 + ... + 78907157.

It is an arithmetic number, because the mean of its divisors is an integer number (118360734).

Almost surely, 2^315628622 is an apocalyptic number.

315628622 is a deficient number, since it is larger than the sum of its proper divisors (157814314).

315628622 is a wasteful number, since it uses less digits than its factorization.

315628622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157814313.

The product of its digits is 34560, while the sum is 35.

The square root of 315628622 is about 17765.9399413597. The cubic root of 315628622 is about 680.8615248137.

The spelling of 315628622 in words is "three hundred fifteen million, six hundred twenty-eight thousand, six hundred twenty-two".