22099499 has 2 divisors, whose sum is σ = 22099500. Its totient is φ = 22099498.

The previous prime is 22099487. The next prime is 22099529. The reversal of 22099499 is 99499022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22099499 - 2²⁰ = 21050923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22099199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11049749 + 11049750.

It is an arithmetic number, because the mean of its divisors is an integer number (11049750).

Almost surely, 2^22099499 is an apocalyptic number.

22099499 is a deficient number, since it is larger than the sum of its proper divisors (1).

22099499 is an equidigital number, since it uses as much as digits as its factorization.

22099499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 22099499 is about 4701.0104233026. The cubic root of 22099499 is about 280.6257222416.

The spelling of 22099499 in words is "twenty-two million, ninety-nine thousand, four hundred ninety-nine".