22099843 has 2 divisors, whose sum is σ = 22099844. Its totient is φ = 22099842.

The previous prime is 22099837. The next prime is 22099853. The reversal of 22099843 is 34899022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22099843 - 2⁵ = 22099811 is a prime.

It is not a weakly prime, because it can be changed into another prime (22099853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11049921 + 11049922.

It is an arithmetic number, because the mean of its divisors is an integer number (11049922).

Almost surely, 2^22099843 is an apocalyptic number.

22099843 is a deficient number, since it is larger than the sum of its proper divisors (1).

22099843 is an equidigital number, since it uses as much as digits as its factorization.

22099843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 22099843 is about 4701.0470110391. The cubic root of 22099843 is about 280.6271783040.

The spelling of 22099843 in words is "twenty-two million, ninety-nine thousand, eight hundred forty-three".