390121022 has 16 divisors (see below), whose sum is σ = 597585600. Its totient is φ = 190942752.

The previous prime is 390121001. The next prime is 390121057. The reversal of 390121022 is 220121093.

It is a junction number, because it is equal to n+sod(n) for n = 390120985 and 390121003.

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, 45104 + ... + 53052.

It is an arithmetic number, because the mean of its divisors is an integer number (37349100).

Almost surely, 2^390121022 is an apocalyptic number.

390121022 is a deficient number, since it is larger than the sum of its proper divisors (207464578).

390121022 is a wasteful number, since it uses less digits than its factorization.

390121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8467.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 390121022 is about 19751.4815140536. The cubic root of 390121022 is about 730.6899225912.

The spelling of 390121022 in words is "three hundred ninety million, one hundred twenty-one thousand, twenty-two".