422321216982 has 32 divisors (see below), whose sum is σ = 979713192192. Its totient is φ = 118862260704.

The previous prime is 422321216971. The next prime is 422321216983. The reversal of 422321216982 is 289612123224.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422321216983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75036493 + ... + 75042120.

It is an arithmetic number, because the mean of its divisors is an integer number (30616037256).

Almost surely, 2^422321216982 is an apocalyptic number.

422321216982 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

422321216982 is an abundant number, since it is smaller than the sum of its proper divisors (557391975210).

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

422321216982 is a wasteful number, since it uses less digits than its factorization.

422321216982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150078692.

The product of its digits is 165888, while the sum is 42.

The spelling of 422321216982 in words is "four hundred twenty-two billion, three hundred twenty-one million, two hundred sixteen thousand, nine hundred eighty-two".