390842455222 has 32 divisors (see below), whose sum is σ = 620440704000. Its totient is φ = 184141900800.

The previous prime is 390842455181. The next prime is 390842455243. The reversal of 390842455222 is 222554248093.

It is a super-2 number, since 2×390842455222² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6136822 + ... + 6200182.

It is an arithmetic number, because the mean of its divisors is an integer number (19388772000).

Almost surely, 2^390842455222 is an apocalyptic number.

390842455222 is a deficient number, since it is larger than the sum of its proper divisors (229598248778).

390842455222 is a wasteful number, since it uses less digits than its factorization.

390842455222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64252.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 390842455222 in words is "three hundred ninety billion, eight hundred forty-two million, four hundred fifty-five thousand, two hundred twenty-two".