7901122022 has 16 divisors (see below), whose sum is σ = 12186100080. Its totient is φ = 3840456672.

The previous prime is 7901122001. The next prime is 7901122027. The reversal of 7901122022 is 2202211097.

It is a junction number, because it is equal to n+sod(n) for n = 7901121982 and 7901122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7901122027) 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, 330368 + ... + 353475.

It is an arithmetic number, because the mean of its divisors is an integer number (761631255).

Almost surely, 2^7901122022 is an apocalyptic number.

7901122022 is a deficient number, since it is larger than the sum of its proper divisors (4284978058).

7901122022 is a wasteful number, since it uses less digits than its factorization.

7901122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684007.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 7901122022 is about 88888.2558159400. The cubic root of 7901122022 is about 1991.7259860493.

The spelling of 7901122022 in words is "seven billion, nine hundred one million, one hundred twenty-two thousand, twenty-two".