99309393224 has 8 divisors (see below), whose sum is σ = 186205112310. Its totient is φ = 49654696608.

The previous prime is 99309393217. The next prime is 99309393241. The reversal of 99309393224 is 42239390399.

It can be written as a sum of positive squares in only one way, i.e., 92305377124 + 7004016100 = 303818^2 + 83690^2 .

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

It is a super-2 number, since 2×99309393224² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6206837069 + ... + 6206837084.

Almost surely, 2^99309393224 is an apocalyptic number.

It is an amenable number.

99309393224 is a deficient number, since it is larger than the sum of its proper divisors (86895719086).

99309393224 is a wasteful number, since it uses less digits than its factorization.

99309393224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12413674159 (or 12413674155 counting only the distinct ones).

The product of its (nonzero) digits is 2834352, while the sum is 53.

The spelling of 99309393224 in words is "ninety-nine billion, three hundred nine million, three hundred ninety-three thousand, two hundred twenty-four".