99942233 has 4 divisors (see below), whose sum is σ = 103166208. Its totient is φ = 96718260.

The previous prime is 99942229. The next prime is 99942247. The reversal of 99942233 is 33224999.

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.

It is a cyclic number.

It is not a de Polignac number, because 99942233 - 2² = 99942229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99942253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611941 + ... + 1612002.

It is an arithmetic number, because the mean of its divisors is an integer number (25791552).

Almost surely, 2^99942233 is an apocalyptic number.

It is an amenable number.

99942233 is a deficient number, since it is larger than the sum of its proper divisors (3223975).

99942233 is a wasteful number, since it uses less digits than its factorization.

99942233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223974.

The product of its digits is 104976, while the sum is 41.

The square root of 99942233 is about 9997.1112327512. Note that the first 3 decimals coincide. The cubic root of 99942233 is about 464.0694892583.

The spelling of 99942233 in words is "ninety-nine million, nine hundred forty-two thousand, two hundred thirty-three".