99224279 has 16 divisors (see below), whose sum is σ = 124244736. Its totient is φ = 76982400.

The previous prime is 99224267. The next prime is 99224311. The reversal of 99224279 is 97242299.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-99224279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99224249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15884 + ... + 21230.

It is an arithmetic number, because the mean of its divisors is an integer number (7765296).

Almost surely, 2^99224279 is an apocalyptic number.

99224279 is a deficient number, since it is larger than the sum of its proper divisors (25020457).

99224279 is a wasteful number, since it uses less digits than its factorization.

99224279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606.

The product of its digits is 163296, while the sum is 44.

The square root of 99224279 is about 9961.1384389537. The cubic root of 99224279 is about 462.9555738915.

The spelling of 99224279 in words is "ninety-nine million, two hundred twenty-four thousand, two hundred seventy-nine".