7991052422 has 16 divisors (see below), whose sum is σ = 12227196240. Its totient is φ = 3915498912.

The previous prime is 7991052389. The next prime is 7991052463. The reversal of 7991052422 is 2242501997.

It is a super-2 number, since 2×7991052422² (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 7991052422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46229 + ... + 134607.

It is an arithmetic number, because the mean of its divisors is an integer number (764199765).

Almost surely, 2^7991052422 is an apocalyptic number.

7991052422 is a deficient number, since it is larger than the sum of its proper divisors (4236143818).

7991052422 is a wasteful number, since it uses less digits than its factorization.

7991052422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89287.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 7991052422 is about 89392.6866248017. The cubic root of 7991052422 is about 1999.2540903440.

The spelling of 7991052422 in words is "seven billion, nine hundred ninety-one million, fifty-two thousand, four hundred twenty-two".