7904323022 has 12 divisors (see below), whose sum is σ = 12251292408. Its totient is φ = 3824671500.

The previous prime is 7904323013. The next prime is 7904323069. The reversal of 7904323022 is 2203234097.

It is a happy number.

It is a super-2 number, since 2×7904323022² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7904323022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2054354 + ... + 2058197.

It is an arithmetic number, because the mean of its divisors is an integer number (1020941034).

Almost surely, 2^7904323022 is an apocalyptic number.

7904323022 is a deficient number, since it is larger than the sum of its proper divisors (4346969386).

7904323022 is a wasteful number, since it uses less digits than its factorization.

7904323022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112615 (or 4112584 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 7904323022 is about 88906.2597458694. The cubic root of 7904323022 is about 1991.9949205999.

The spelling of 7904323022 in words is "seven billion, nine hundred four million, three hundred twenty-three thousand, twenty-two".