315030022 has 4 divisors (see below), whose sum is σ = 472545036. Its totient is φ = 157515010.

The previous prime is 315029983. The next prime is 315030061. The reversal of 315030022 is 220030513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220030513 = 1123 ⋅195931.

It is an interprime number because it is at equal distance from previous prime (315029983) and next prime (315030061).

It is a super-2 number, since 2×315030022² = 198487829522640968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315029978 and 315030005.

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, 78757504 + ... + 78757507.

It is an arithmetic number, because the mean of its divisors is an integer number (118136259).

Almost surely, 2^315030022 is an apocalyptic number.

315030022 is a deficient number, since it is larger than the sum of its proper divisors (157515014).

315030022 is a wasteful number, since it uses less digits than its factorization.

315030022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157515013.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 315030022 is about 17749.0851031821. The cubic root of 315030022 is about 680.4308270413.

Adding to 315030022 its reverse (220030513), we get a palindrome (535060535).

The spelling of 315030022 in words is "three hundred fifteen million, thirty thousand, twenty-two".