422279916 has 12 divisors (see below), whose sum is σ = 985319832. Its totient is φ = 140759968.

The previous prime is 422279873. The next prime is 422279929. The reversal of 422279916 is 619972224.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17594985 + ... + 17595008.

It is an arithmetic number, because the mean of its divisors is an integer number (82109986).

Almost surely, 2^422279916 is an apocalyptic number.

It is an amenable number.

422279916 is an abundant number, since it is smaller than the sum of its proper divisors (563039916).

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

422279916 is a wasteful number, since it uses less digits than its factorization.

422279916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35190000 (or 35189998 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 422279916 is about 20549.4505036023. The cubic root of 422279916 is about 750.2398734950.

The spelling of 422279916 in words is "four hundred twenty-two million, two hundred seventy-nine thousand, nine hundred sixteen".