422162320 has 20 divisors (see below), whose sum is σ = 981527580. Its totient is φ = 168864896.

The previous prime is 422162297. The next prime is 422162329. The reversal of 422162320 is 23261224.

It can be written as a sum of positive squares in 2 ways, for example, as 93392896 + 328769424 = 9664^2 + 18132^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 422162291 and 422162300.

It is not an unprimeable number, because it can be changed into a prime (422162329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2638435 + ... + 2638594.

It is an arithmetic number, because the mean of its divisors is an integer number (49076379).

Almost surely, 2^422162320 is an apocalyptic number.

422162320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422162320 is an abundant number, since it is smaller than the sum of its proper divisors (559365260).

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

422162320 is a wasteful number, since it uses less digits than its factorization.

422162320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277042 (or 5277036 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 422162320 is about 20546.5890113177. The cubic root of 422162320 is about 750.1702250654.

The spelling of 422162320 in words is "four hundred twenty-two million, one hundred sixty-two thousand, three hundred twenty".