7900422 has 16 divisors (see below), whose sum is σ = 15958512. Its totient is φ = 2607200.

The previous prime is 7900421. The next prime is 7900457. The reversal of 7900422 is 2240097.

It is a junction number, because it is equal to n+sod(n) for n = 7900392 and 7900401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7900421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5913 + ... + 7124.

It is an arithmetic number, because the mean of its divisors is an integer number (997407).

Almost surely, 2^7900422 is an apocalyptic number.

7900422 is an abundant number, since it is smaller than the sum of its proper divisors (8058090).

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

7900422 is a wasteful number, since it uses less digits than its factorization.

7900422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13143.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 7900422 is about 2810.7689339396. The cubic root of 7900422 is about 199.1667163468.

The spelling of 7900422 in words is "seven million, nine hundred thousand, four hundred twenty-two".