2192291291 has 2 divisors, whose sum is σ = 2192291292. Its totient is φ = 2192291290.

The previous prime is 2192291281. The next prime is 2192291327. The reversal of 2192291291 is 1921922912.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2192291291 is a prime.

It is a super-2 number, since 2×2192291291² = 9612282209188893362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2192291281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096145645 + 1096145646.

It is an arithmetic number, because the mean of its divisors is an integer number (1096145646).

Almost surely, 2^2192291291 is an apocalyptic number.

2192291291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2192291291 is an equidigital number, since it uses as much as digits as its factorization.

2192291291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 38.

The square root of 2192291291 is about 46821.9103732430. The cubic root of 2192291291 is about 1299.0705962558.

The spelling of 2192291291 in words is "two billion, one hundred ninety-two million, two hundred ninety-one thousand, two hundred ninety-one".