522406626604225 has 72 divisors (see below), whose sum is σ = 715448988334080. Its totient is φ = 378107386483200.

The previous prime is 522406626604129. The next prime is 522406626604241.

522406626604225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522406626604225 - 2¹⁷ = 522406626473153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2136256761 + ... + 2136501289.

It is an arithmetic number, because the mean of its divisors is an integer number (9936791504640).

Almost surely, 2^{522406626604225} is an apocalyptic number.

522406626604225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

522406626604225 is a deficient number, since it is larger than the sum of its proper divisors (193042361729855).

522406626604225 is a wasteful number, since it uses less digits than its factorization.

522406626604225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247951 (or 247935 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 52.

The spelling of 522406626604225 in words is "five hundred twenty-two trillion, four hundred six billion, six hundred twenty-six million, six hundred four thousand, two hundred twenty-five".