522706474 has 8 divisors (see below), whose sum is σ = 805250628. Its totient is φ = 254289600.

The previous prime is 522706447. The next prime is 522706501. The reversal of 522706474 is 474607225.

It is an interprime number because it is at equal distance from previous prime (522706447) and next prime (522706501).

It can be written as a sum of positive squares in 2 ways, for example, as 439112025 + 83594449 = 20955^2 + 9143^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 3531727 + ... + 3531874.

Almost surely, 2^522706474 is an apocalyptic number.

522706474 is a deficient number, since it is larger than the sum of its proper divisors (282544154).

522706474 is a wasteful number, since it uses less digits than its factorization.

522706474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7063640.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 522706474 is about 22862.7748534599. The cubic root of 522706474 is about 805.5378651480.

The spelling of 522706474 in words is "five hundred twenty-two million, seven hundred six thousand, four hundred seventy-four".