7900022 has 16 divisors (see below), whose sum is σ = 12815712. Its totient is φ = 3630720.

The previous prime is 7900007. The next prime is 7900033. The reversal of 7900022 is 2200097.

It is a junction number, because it is equal to n+sod(n) for n = 7899967 and 7900003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7598 + ... + 8574.

It is an arithmetic number, because the mean of its divisors is an integer number (800982).

Almost surely, 2^7900022 is an apocalyptic number.

7900022 is a deficient number, since it is larger than the sum of its proper divisors (4915690).

7900022 is a wasteful number, since it uses less digits than its factorization.

7900022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 7900022 is about 2810.6977781327. The cubic root of 7900022 is about 199.1633550060.

The spelling of 7900022 in words is "seven million, nine hundred thousand, twenty-two".