99224999 has 2 divisors, whose sum is σ = 99225000. Its totient is φ = 99224998.

The previous prime is 99224977. The next prime is 99225019. The reversal of 99224999 is 99942299.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99224999 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99224999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99224929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49612499 + 49612500.

It is an arithmetic number, because the mean of its divisors is an integer number (49612500).

Almost surely, 2^99224999 is an apocalyptic number.

99224999 is a deficient number, since it is larger than the sum of its proper divisors (1).

99224999 is an equidigital number, since it uses as much as digits as its factorization.

99224999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 944784, while the sum is 53.

The square root of 99224999 is about 9961.1745793355. The cubic root of 99224999 is about 462.9566936685.

The spelling of 99224999 in words is "ninety-nine million, two hundred twenty-four thousand, nine hundred ninety-nine".