99922243 has 4 divisors (see below), whose sum is σ = 105800040. Its totient is φ = 94044448.

The previous prime is 99922241. The next prime is 99922247. The reversal of 99922243 is 34222999.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99922243 - 2¹ = 99922241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99922196 and 99922205.

It is not an unprimeable number, because it can be changed into a prime (99922241) 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, 2938873 + ... + 2938906.

It is an arithmetic number, because the mean of its divisors is an integer number (26450010).

Almost surely, 2^99922243 is an apocalyptic number.

99922243 is a deficient number, since it is larger than the sum of its proper divisors (5877797).

99922243 is a wasteful number, since it uses less digits than its factorization.

99922243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5877796.

The product of its digits is 69984, while the sum is 40.

The square root of 99922243 is about 9996.1113939371. Note that the first 3 decimals coincide. The cubic root of 99922243 is about 464.0385468249.

The spelling of 99922243 in words is "ninety-nine million, nine hundred twenty-two thousand, two hundred forty-three".