22099967 has 2 divisors, whose sum is σ = 22099968. Its totient is φ = 22099966.

The previous prime is 22099939. The next prime is 22099997. The reversal of 22099967 is 76999022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22099967 - 2²⁰ = 21051391 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22099927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11049983 + 11049984.

It is an arithmetic number, because the mean of its divisors is an integer number (11049984).

Almost surely, 2^22099967 is an apocalyptic number.

22099967 is a deficient number, since it is larger than the sum of its proper divisors (1).

22099967 is an equidigital number, since it uses as much as digits as its factorization.

22099967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 22099967 is about 4701.0601995720. The cubic root of 22099967 is about 280.6277031600.

The spelling of 22099967 in words is "twenty-two million, ninety-nine thousand, nine hundred sixty-seven".