422986920 has 32 divisors (see below), whose sum is σ = 1268961120. Its totient is φ = 112796480.

The previous prime is 422986913. The next prime is 422986931. The reversal of 422986920 is 29689224.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 1762326 + ... + 1762565.

It is an arithmetic number, because the mean of its divisors is an integer number (39655035).

Almost surely, 2^422986920 is an apocalyptic number.

422986920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422986920 is an abundant number, since it is smaller than the sum of its proper divisors (845974200).

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

422986920 is a wasteful number, since it uses less digits than its factorization.

422986920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524905 (or 3524901 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 422986920 is about 20566.6458130634. The cubic root of 422986920 is about 750.6583375088.

The spelling of 422986920 in words is "four hundred twenty-two million, nine hundred eighty-six thousand, nine hundred twenty".