7990122 has 32 divisors (see below), whose sum is σ = 18450432. Its totient is φ = 2259504.

The previous prime is 7990111. The next prime is 7990163. The reversal of 7990122 is 2210997.

It is a self number, because there is not a number n which added to its sum of digits gives 7990122.

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, 3403 + ... + 5249.

It is an arithmetic number, because the mean of its divisors is an integer number (576576).

Almost surely, 2^7990122 is an apocalyptic number.

7990122 is an abundant number, since it is smaller than the sum of its proper divisors (10460310).

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

7990122 is a wasteful number, since it uses less digits than its factorization.

7990122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 7990122 is about 2826.6803851868. The cubic root of 7990122 is about 199.9176494299.

The spelling of 7990122 in words is "seven million, nine hundred ninety thousand, one hundred twenty-two".