422025254402164 has 48 divisors (see below), whose sum is σ = 858656899013760. Its totient is φ = 177740171481600.

The previous prime is 422025254402159. The next prime is 422025254402183. The reversal of 422025254402164 is 461204452520224.

It is a super-2 number, since 2×422025254402164² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422025254402164.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39988537 + ... + 49428064.

It is an arithmetic number, because the mean of its divisors is an integer number (17888685396120).

Almost surely, 2^{422025254402164} is an apocalyptic number.

It is an amenable number.

422025254402164 is an abundant number, since it is smaller than the sum of its proper divisors (436631644611596).

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

422025254402164 is a wasteful number, since it uses less digits than its factorization.

422025254402164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89419528 (or 89419526 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 43.

The spelling of 422025254402164 in words is "four hundred twenty-two trillion, twenty-five billion, two hundred fifty-four million, four hundred two thousand, one hundred sixty-four".