99224657 has 12 divisors (see below), whose sum is σ = 115606260. Its totient is φ = 84915936.

The previous prime is 99224641. The next prime is 99224663. The reversal of 99224657 is 75642299.

It can be written as a sum of positive squares in 2 ways, for example, as 83192641 + 16032016 = 9121^2 + 4004^2 .

It is not a de Polignac number, because 99224657 - 2⁴ = 99224641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99224677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41819 + ... + 44127.

It is an arithmetic number, because the mean of its divisors is an integer number (9633855).

Almost surely, 2^99224657 is an apocalyptic number.

It is an amenable number.

99224657 is a deficient number, since it is larger than the sum of its proper divisors (16381603).

99224657 is a wasteful number, since it uses less digits than its factorization.

99224657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200 (or 3193 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 99224657 is about 9961.1574126705. The cubic root of 99224657 is about 462.9561617751.

The spelling of 99224657 in words is "ninety-nine million, two hundred twenty-four thousand, six hundred fifty-seven".