425560321922 has 18 divisors (see below), whose sum is σ = 646633767843. Its totient is φ = 210050761284.

The previous prime is 425560321913. The next prime is 425560321931. The reversal of 425560321922 is 229123065524.

It is an interprime number because it is at equal distance from previous prime (425560321913) and next prime (425560321931).

It can be written as a sum of positive squares in only one way, i.e., 212780160961 + 212780160961 = 461281^2 + 461281^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=461281.

It is a super-2 number, since 2×425560321922² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425560321922.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 72879479 + ... + 72885317.

Almost surely, 2^425560321922 is an apocalyptic number.

425560321922 is a deficient number, since it is larger than the sum of its proper divisors (221073445921).

425560321922 is an frugal number, since it uses more digits than its factorization.

425560321922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11838 (or 5920 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 425560321922 in words is "four hundred twenty-five billion, five hundred sixty million, three hundred twenty-one thousand, nine hundred twenty-two".