422090928 has 120 divisors (see below), whose sum is σ = 1421139200. Its totient is φ = 114244992.

The previous prime is 422090927. The next prime is 422090971. The reversal of 422090928 is 829090224.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 422090892 and 422090901.

It is not an unprimeable number, because it can be changed into a prime (422090927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8133 + ... + 30171.

Almost surely, 2^422090928 is an apocalyptic number.

422090928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422090928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710569600).

422090928 is an abundant number, since it is smaller than the sum of its proper divisors (999048272).

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

422090928 is a wasteful number, since it uses less digits than its factorization.

422090928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22079 (or 22070 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 422090928 is about 20544.8516178628. The cubic root of 422090928 is about 750.1279355088.

The spelling of 422090928 in words is "four hundred twenty-two million, ninety thousand, nine hundred twenty-eight".