425772216522 has 192 divisors, whose sum is σ = 980355467520. Its totient is φ = 133409203200.

The previous prime is 425772216481. The next prime is 425772216533. The reversal of 425772216522 is 225612277524.

425772216522 is a `hidden beast` number, since 4 + 2 + 57 + 72 + 2 + 1 + 6 + 522 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 526294054 + ... + 526294862.

It is an arithmetic number, because the mean of its divisors is an integer number (5106018060).

Almost surely, 2^425772216522 is an apocalyptic number.

425772216522 is an abundant number, since it is smaller than the sum of its proper divisors (554583250998).

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

425772216522 is a wasteful number, since it uses less digits than its factorization.

425772216522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149 (or 1146 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The spelling of 425772216522 in words is "four hundred twenty-five billion, seven hundred seventy-two million, two hundred sixteen thousand, five hundred twenty-two".