422021982 has 16 divisors (see below), whose sum is σ = 844445952. Its totient is φ = 140607000.

The previous prime is 422021947. The next prime is 422021993. The reversal of 422021982 is 289120224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2118 + ... + 29129.

It is an arithmetic number, because the mean of its divisors is an integer number (52777872).

Almost surely, 2^422021982 is an apocalyptic number.

422021982 is an abundant number, since it is smaller than the sum of its proper divisors (422423970).

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

422021982 is a wasteful number, since it uses less digits than its factorization.

422021982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33503.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 422021982 is about 20543.1736107156. The cubic root of 422021982 is about 750.0870903311.

The spelling of 422021982 in words is "four hundred twenty-two million, twenty-one thousand, nine hundred eighty-two".