522774477225 has 576 divisors, whose sum is σ = 1335012887040. Its totient is φ = 195022080000.

The previous prime is 522774477209. The next prime is 522774477227.

522774477225 is a `hidden beast` number, since 522 + 7 + 7 + 4 + 47 + 72 + 2 + 5 = 666.

522774477225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522774477225 - 2⁴ = 522774477209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (522774477227) by changing a digit.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 274998775 + ... + 275000675.

Almost surely, 2^522774477225 is an apocalyptic number.

522774477225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

522774477225 is an abundant number, since it is smaller than the sum of its proper divisors (812238409815).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522774477225 is a wasteful number, since it uses less digits than its factorization.

522774477225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999 (or 1977 counting only the distinct ones).

The product of its digits is 15366400, while the sum is 54.

It can be divided in two parts, 522774 and 477225, that added together give a palindrome (999999).

The spelling of 522774477225 in words is "five hundred twenty-two billion, seven hundred seventy-four million, four hundred seventy-seven thousand, two hundred twenty-five".