422420312 has 32 divisors (see below), whose sum is σ = 837739200. Its totient is φ = 199130400.

The previous prime is 422420281. The next prime is 422420357. The reversal of 422420312 is 213024224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25487 + ... + 38657.

It is an arithmetic number, because the mean of its divisors is an integer number (26179350).

Almost surely, 2^422420312 is an apocalyptic number.

It is an amenable number.

422420312 is a deficient number, since it is larger than the sum of its proper divisors (415318888).

422420312 is a wasteful number, since it uses less digits than its factorization.

422420312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13407 (or 13403 counting only the distinct ones).

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

The square root of 422420312 is about 20552.8662721286. The cubic root of 422420312 is about 750.3230087190.

Adding to 422420312 its reverse (213024224), we get a palindrome (635444536).

The spelling of 422420312 in words is "four hundred twenty-two million, four hundred twenty thousand, three hundred twelve".