422320332 has 48 divisors (see below), whose sum is σ = 1127589120. Its totient is φ = 120512832.

The previous prime is 422320321. The next prime is 422320337. The reversal of 422320332 is 233023224.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 422320299 and 422320308.

It is not an unprimeable number, because it can be changed into a prime (422320337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76894 + ... + 82202.

It is an arithmetic number, because the mean of its divisors is an integer number (23491440).

Almost surely, 2^422320332 is an apocalyptic number.

422320332 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

422320332 is an abundant number, since it is smaller than the sum of its proper divisors (705268788).

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

422320332 is a wasteful number, since it uses less digits than its factorization.

422320332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6270 (or 6268 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 422320332 is about 20550.4338640331. The cubic root of 422320332 is about 750.2638076409.

Adding to 422320332 its reverse (233023224), we get a palindrome (655343556).

The spelling of 422320332 in words is "four hundred twenty-two million, three hundred twenty thousand, three hundred thirty-two".