99922245 has 16 divisors (see below), whose sum is σ = 160265472. Its totient is φ = 53161920.

The previous prime is 99922241. The next prime is 99922247. The reversal of 99922245 is 54222999.

It is not a de Polignac number, because 99922245 - 2² = 99922241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99922197 and 99922206.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1597 + ... + 14226.

It is an arithmetic number, because the mean of its divisors is an integer number (10016592).

Almost surely, 2^99922245 is an apocalyptic number.

It is an amenable number.

99922245 is a deficient number, since it is larger than the sum of its proper divisors (60343227).

99922245 is a wasteful number, since it uses less digits than its factorization.

99922245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16252.

The product of its digits is 116640, while the sum is 42.

The square root of 99922245 is about 9996.1114939760. Note that the first 3 decimals coincide. The cubic root of 99922245 is about 464.0385499209.

The spelling of 99922245 in words is "ninety-nine million, nine hundred twenty-two thousand, two hundred forty-five".