7922294840 has 16 divisors (see below), whose sum is σ = 17825163480. Its totient is φ = 3168917920.

The previous prime is 7922294839. The next prime is 7922294843. The reversal of 7922294840 is 484922297.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7922294843) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 99028646 + ... + 99028725.

Almost surely, 2^7922294840 is an apocalyptic number.

It is an amenable number.

7922294840 is an abundant number, since it is smaller than the sum of its proper divisors (9902868640).

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

7922294840 is a wasteful number, since it uses less digits than its factorization.

7922294840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198057382 (or 198057378 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 7922294840 is about 89007.2740847623. The cubic root of 7922294840 is about 1993.5034905309.

The spelling of 7922294840 in words is "seven billion, nine hundred twenty-two million, two hundred ninety-four thousand, eight hundred forty".