99992297 has 4 divisors (see below), whose sum is σ = 100963200. Its totient is φ = 99021396.

The previous prime is 99992251. The next prime is 99992303. The reversal of 99992297 is 79229999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79229999 = 41 ⋅1932439.

It is a cyclic number.

It is not a de Polignac number, because 99992297 - 2¹⁰ = 99991273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99992797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485297 + ... + 485502.

It is an arithmetic number, because the mean of its divisors is an integer number (25240800).

Almost surely, 2^99992297 is an apocalyptic number.

It is an amenable number.

99992297 is a deficient number, since it is larger than the sum of its proper divisors (970903).

99992297 is a wasteful number, since it uses less digits than its factorization.

99992297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970902.

The product of its digits is 1653372, while the sum is 56.

The square root of 99992297 is about 9999.6148425827. The cubic root of 99992297 is about 464.1469650023.

The spelling of 99992297 in words is "ninety-nine million, nine hundred ninety-two thousand, two hundred ninety-seven".