396420022 has 4 divisors (see below), whose sum is σ = 594630036. Its totient is φ = 198210010.

The previous prime is 396420007. The next prime is 396420041. The reversal of 396420022 is 220024693.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99105004 + ... + 99105007.

It is an arithmetic number, because the mean of its divisors is an integer number (148657509).

Almost surely, 2^396420022 is an apocalyptic number.

396420022 is a deficient number, since it is larger than the sum of its proper divisors (198210014).

396420022 is a wasteful number, since it uses less digits than its factorization.

396420022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198210013.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 396420022 is about 19910.2993950367. The cubic root of 396420022 is about 734.6015839399.

The spelling of 396420022 in words is "three hundred ninety-six million, four hundred twenty thousand, twenty-two".