399359022 has 8 divisors (see below), whose sum is σ = 798718056. Its totient is φ = 133119672.

The previous prime is 399359021. The next prime is 399359027. The reversal of 399359022 is 220953993.

It is a sphenic number, since it is the product of 3 distinct primes.

399359022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399359021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33279913 + ... + 33279924.

It is an arithmetic number, because the mean of its divisors is an integer number (99839757).

Almost surely, 2^399359022 is an apocalyptic number.

399359022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

399359022 is a wasteful number, since it uses less digits than its factorization.

399359022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66559842.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 399359022 is about 19983.9691252764. The cubic root of 399359022 is about 736.4125254623.

The spelling of 399359022 in words is "three hundred ninety-nine million, three hundred fifty-nine thousand, twenty-two".