99022417 has 4 divisors (see below), whose sum is σ = 106639540. Its totient is φ = 91405296.

The previous prime is 99022369. The next prime is 99022447. The reversal of 99022417 is 71422099.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14676561 + 84345856 = 3831^2 + 9184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99022417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99022447) 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, 3808542 + ... + 3808567.

It is an arithmetic number, because the mean of its divisors is an integer number (26659885).

Almost surely, 2^99022417 is an apocalyptic number.

It is an amenable number.

99022417 is a deficient number, since it is larger than the sum of its proper divisors (7617123).

99022417 is a wasteful number, since it uses less digits than its factorization.

99022417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7617122.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 99022417 is about 9951.0008039393. Note that the first 3 decimals coincide. The cubic root of 99022417 is about 462.6414149496.

The spelling of 99022417 in words is "ninety-nine million, twenty-two thousand, four hundred seventeen".