99413224 has 8 divisors (see below), whose sum is σ = 186399810. Its totient is φ = 49706608.

The previous prime is 99413201. The next prime is 99413227. The reversal of 99413224 is 42231499.

It can be written as a sum of positive squares in only one way, i.e., 90592324 + 8820900 = 9518^2 + 2970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 99413224.

It is not an unprimeable number, because it can be changed into a prime (99413227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6213319 + ... + 6213334.

Almost surely, 2^99413224 is an apocalyptic number.

It is an amenable number.

99413224 is a deficient number, since it is larger than the sum of its proper divisors (86986586).

99413224 is a wasteful number, since it uses less digits than its factorization.

99413224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12426659 (or 12426655 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 99413224 is about 9970.6180350067. The cubic root of 99413224 is about 463.2492442099.

The spelling of 99413224 in words is "ninety-nine million, four hundred thirteen thousand, two hundred twenty-four".