422388840888 has 80 divisors (see below), whose sum is σ = 1352091277680. Its totient is φ = 120682524672.

The previous prime is 422388840871. The next prime is 422388840889. The reversal of 422388840888 is 888048883224.

422388840888 is a `hidden beast` number, since 42 + 2 + 38 + 88 + 408 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422388840889) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46555081 + ... + 46564152.

It is an arithmetic number, because the mean of its divisors is an integer number (16901140971).

Almost surely, 2^422388840888 is an apocalyptic number.

It is an amenable number.

422388840888 is an abundant number, since it is smaller than the sum of its proper divisors (929702436792).

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

422388840888 is a wasteful number, since it uses less digits than its factorization.

422388840888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93119258 (or 93119245 counting only the distinct ones).

The product of its (nonzero) digits is 50331648, while the sum is 63.

The spelling of 422388840888 in words is "four hundred twenty-two billion, three hundred eighty-eight million, eight hundred forty thousand, eight hundred eighty-eight".