99225569 has 2 divisors, whose sum is σ = 99225570. Its totient is φ = 99225568.

The previous prime is 99225563. The next prime is 99225629. The reversal of 99225569 is 96552299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50225569 + 49000000 = 7087^2 + 7000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99225569 is a prime.

It is a super-2 number, since 2×99225569² = 19691427086747522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99225563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49612784 + 49612785.

It is an arithmetic number, because the mean of its divisors is an integer number (49612785).

Almost surely, 2^99225569 is an apocalyptic number.

It is an amenable number.

99225569 is a deficient number, since it is larger than the sum of its proper divisors (1).

99225569 is an equidigital number, since it uses as much as digits as its factorization.

99225569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 437400, while the sum is 47.

The square root of 99225569 is about 9961.2031903782. The cubic root of 99225569 is about 462.9575801549.

The spelling of 99225569 in words is "ninety-nine million, two hundred twenty-five thousand, five hundred sixty-nine".