522487784225 has 24 divisors (see below), whose sum is σ = 707642571072. Its totient is φ = 379529236800.

The previous prime is 522487784219. The next prime is 522487784237.

522487784225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522487784225 - 2²⁰ = 522486735649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 927962 + ... + 1380611.

It is an arithmetic number, because the mean of its divisors is an integer number (29485107128).

Almost surely, 2^522487784225 is an apocalyptic number.

522487784225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

522487784225 is a deficient number, since it is larger than the sum of its proper divisors (185154786847).

522487784225 is a wasteful number, since it uses less digits than its factorization.

522487784225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309417 (or 2309412 counting only the distinct ones).

The product of its digits is 20070400, while the sum is 56.

The spelling of 522487784225 in words is "five hundred twenty-two billion, four hundred eighty-seven million, seven hundred eighty-four thousand, two hundred twenty-five".