22250099 has 2 divisors, whose sum is σ = 22250100. Its totient is φ = 22250098.

The previous prime is 22250087. The next prime is 22250101. The reversal of 22250099 is 99005222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22250099 is a prime.

It is a Sophie Germain prime.

Together with 22250101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22250069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11125049 + 11125050.

It is an arithmetic number, because the mean of its divisors is an integer number (11125050).

Almost surely, 2^22250099 is an apocalyptic number.

22250099 is a deficient number, since it is larger than the sum of its proper divisors (1).

22250099 is an equidigital number, since it uses as much as digits as its factorization.

22250099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 22250099 is about 4717.0010599956. The cubic root of 22250099 is about 281.2617335681.

The spelling of 22250099 in words is "twenty-two million, two hundred fifty thousand, ninety-nine".