522424225 has 12 divisors (see below), whose sum is σ = 648986364. Its totient is φ = 417177920.

The previous prime is 522424219. The next prime is 522424237.

522424225 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 73153809 + 449270416 = 8553^2 + 21196^2 .

It is not a de Polignac number, because 522424225 - 2⁵ = 522424193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 522424193 and 522424202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4834 + ... + 32683.

It is an arithmetic number, because the mean of its divisors is an integer number (54082197).

Almost surely, 2^522424225 is an apocalyptic number.

It is an amenable number.

522424225 is a deficient number, since it is larger than the sum of its proper divisors (126562139).

522424225 is a wasteful number, since it uses less digits than its factorization.

522424225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38084 (or 38079 counting only the distinct ones).

The product of its digits is 12800, while the sum is 28.

The square root of 522424225 is about 22856.6013440319. The cubic root of 522424225 is about 805.3928486464.

The spelling of 522424225 in words is "five hundred twenty-two million, four hundred twenty-four thousand, two hundred twenty-five".