3922199991 has 12 divisors (see below), whose sum is σ = 5743009168. Its totient is φ = 2578980384.

The previous prime is 3922199977. The next prime is 3922199993. The reversal of 3922199991 is 1999912293.

3922199991 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-3922199991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3922199993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2984275 + ... + 2985588.

Almost surely, 2^3922199991 is an apocalyptic number.

3922199991 is a deficient number, since it is larger than the sum of its proper divisors (1820809177).

3922199991 is a wasteful number, since it uses less digits than its factorization.

3922199991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969942 (or 5969939 counting only the distinct ones).

The product of its digits is 708588, while the sum is 54.

The square root of 3922199991 is about 62627.4699393166. The cubic root of 3922199991 is about 1577.0419459336.

The spelling of 3922199991 in words is "three billion, nine hundred twenty-two million, one hundred ninety-nine thousand, nine hundred ninety-one".