99207224 has 16 divisors (see below), whose sum is σ = 189972000. Its totient is φ = 48548032.

The previous prime is 99207221. The next prime is 99207233. The reversal of 99207224 is 42270299.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99207221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131549 + ... + 132300.

It is an arithmetic number, because the mean of its divisors is an integer number (11873250).

Almost surely, 2^99207224 is an apocalyptic number.

99207224 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

99207224 is a deficient number, since it is larger than the sum of its proper divisors (90764776).

99207224 is a wasteful number, since it uses less digits than its factorization.

99207224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263902 (or 263898 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 99207224 is about 9960.2823253159. The cubic root of 99207224 is about 462.9290475890.

The spelling of 99207224 in words is "ninety-nine million, two hundred seven thousand, two hundred twenty-four".