390210122 has 16 divisors (see below), whose sum is σ = 601346592. Its totient is φ = 189798000.

The previous prime is 390210071. The next prime is 390210127. The reversal of 390210122 is 221012093.

It is a super-2 number, since 2×390210122² = 304527878622509768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 390210094 and 390210103.

It is not an unprimeable number, because it can be changed into a prime (390210127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12548 + ... + 30624.

It is an arithmetic number, because the mean of its divisors is an integer number (37584162).

Almost surely, 2^390210122 is an apocalyptic number.

390210122 is a deficient number, since it is larger than the sum of its proper divisors (211136470).

390210122 is a wasteful number, since it uses less digits than its factorization.

390210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18373.

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

The square root of 390210122 is about 19753.7369122908. The cubic root of 390210122 is about 730.7455459428.

The spelling of 390210122 in words is "three hundred ninety million, two hundred ten thousand, one hundred twenty-two".