522216425 has 48 divisors (see below), whose sum is σ = 705758400. Its totient is φ = 382060800.

The previous prime is 522216413. The next prime is 522216433. The reversal of 522216425 is 524612225.

It is not a de Polignac number, because 522216425 - 2⁶ = 522216361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1941191 + ... + 1941459.

It is an arithmetic number, because the mean of its divisors is an integer number (14703300).

Almost surely, 2^522216425 is an apocalyptic number.

It is an amenable number.

522216425 is a deficient number, since it is larger than the sum of its proper divisors (183541975).

522216425 is a wasteful number, since it uses less digits than its factorization.

522216425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 421 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 522216425 is about 22852.0551592193. The cubic root of 522216425 is about 805.2860498542.

The spelling of 522216425 in words is "five hundred twenty-two million, two hundred sixteen thousand, four hundred twenty-five".