522255479 has 4 divisors (see below), whose sum is σ = 522486720. Its totient is φ = 522024240.

The previous prime is 522255431. The next prime is 522255497. The reversal of 522255479 is 974552225.

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

It is a cyclic number.

It is not a de Polignac number, because 522255479 - 2²⁸ = 253820023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522255379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112199 + ... + 116760.

It is an arithmetic number, because the mean of its divisors is an integer number (130621680).

Almost surely, 2^522255479 is an apocalyptic number.

522255479 is a deficient number, since it is larger than the sum of its proper divisors (231241).

522255479 is a wasteful number, since it uses less digits than its factorization.

522255479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231240.

The product of its digits is 252000, while the sum is 41.

The square root of 522255479 is about 22852.9096396936. The cubic root of 522255479 is about 805.3061238159.

The spelling of 522255479 in words is "five hundred twenty-two million, two hundred fifty-five thousand, four hundred seventy-nine".