422340572 has 12 divisors (see below), whose sum is σ = 764582280. Its totient is φ = 203888496.

The previous prime is 422340553. The next prime is 422340593. The reversal of 422340572 is 275043224.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1820318 + ... + 1820549.

It is an arithmetic number, because the mean of its divisors is an integer number (63715190).

Almost surely, 2^422340572 is an apocalyptic number.

It is an amenable number.

422340572 is a deficient number, since it is larger than the sum of its proper divisors (342241708).

422340572 is a wasteful number, since it uses less digits than its factorization.

422340572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640900 (or 3640898 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 422340572 is about 20550.9263051571. The cubic root of 422340572 is about 750.2757930903.

Adding to 422340572 its reverse (275043224), we get a palindrome (697383796).

The spelling of 422340572 in words is "four hundred twenty-two million, three hundred forty thousand, five hundred seventy-two".