522223525 has 6 divisors (see below), whose sum is σ = 647557202. Its totient is φ = 417778800.

The previous prime is 522223517. The next prime is 522223567. The reversal of 522223525 is 525322225.

It can be written as a sum of positive squares in 3 ways, for example, as 30404196 + 491819329 = 5514^2 + 22177^2 .

It is not a de Polignac number, because 522223525 - 2³ = 522223517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 522223493 and 522223502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10444446 + ... + 10444495.

Almost surely, 2^522223525 is an apocalyptic number.

It is an amenable number.

522223525 is a deficient number, since it is larger than the sum of its proper divisors (125333677).

522223525 is a wasteful number, since it uses less digits than its factorization.

522223525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20888951 (or 20888946 counting only the distinct ones).

The product of its digits is 12000, while the sum is 28.

The square root of 522223525 is about 22852.2105057695. The cubic root of 522223525 is about 805.2896993661.

The spelling of 522223525 in words is "five hundred twenty-two million, two hundred twenty-three thousand, five hundred twenty-five".