22095691 has 2 divisors, whose sum is σ = 22095692. Its totient is φ = 22095690.

The previous prime is 22095673. The next prime is 22095701. The reversal of 22095691 is 19659022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22095691 - 2¹⁷ = 21964619 is a prime.

It is not a weakly prime, because it can be changed into another prime (22099691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11047845 + 11047846.

It is an arithmetic number, because the mean of its divisors is an integer number (11047846).

Almost surely, 2^22095691 is an apocalyptic number.

22095691 is a deficient number, since it is larger than the sum of its proper divisors (1).

22095691 is an equidigital number, since it uses as much as digits as its factorization.

22095691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 22095691 is about 4700.6053865433. The cubic root of 22095691 is about 280.6096029601.

The spelling of 22095691 in words is "twenty-two million, ninety-five thousand, six hundred ninety-one".