422545884 has 12 divisors (see below), whose sum is σ = 985940424. Its totient is φ = 140848624.

The previous prime is 422545873. The next prime is 422545909. The reversal of 422545884 is 488545224.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17606067 + ... + 17606090.

It is an arithmetic number, because the mean of its divisors is an integer number (82161702).

Almost surely, 2^422545884 is an apocalyptic number.

It is an amenable number.

422545884 is an abundant number, since it is smaller than the sum of its proper divisors (563394540).

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

422545884 is a wasteful number, since it uses less digits than its factorization.

422545884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35212164 (or 35212162 counting only the distinct ones).

The product of its digits is 409600, while the sum is 42.

The square root of 422545884 is about 20555.9208988554. The cubic root of 422545884 is about 750.3973503353.

The spelling of 422545884 in words is "four hundred twenty-two million, five hundred forty-five thousand, eight hundred eighty-four".