422412320 has 48 divisors (see below), whose sum is σ = 1088676288. Its totient is φ = 153603840.

The previous prime is 422412317. The next prime is 422412323. The reversal of 422412320 is 23214224.

It is an interprime number because it is at equal distance from previous prime (422412317) and next prime (422412323).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 422412292 and 422412301.

It is not an unprimeable number, because it can be changed into a prime (422412323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118244 + ... + 121763.

It is an arithmetic number, because the mean of its divisors is an integer number (22680756).

Almost surely, 2^422412320 is an apocalyptic number.

422412320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422412320 is an abundant number, since it is smaller than the sum of its proper divisors (666263968).

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

422412320 is a wasteful number, since it uses less digits than its factorization.

422412320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240033 (or 240025 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 422412320 is about 20552.6718457723. The cubic root of 422412320 is about 750.3182767659.

Adding to 422412320 its reverse (23214224), we get a palindrome (445626544).

The spelling of 422412320 in words is "four hundred twenty-two million, four hundred twelve thousand, three hundred twenty".