99700224 has 80 divisors (see below), whose sum is σ = 286096272. Its totient is φ = 30670848.

The previous prime is 99700217. The next prime is 99700241. The reversal of 99700224 is 42200799.

It is a Cunningham number, because it is equal to 9985²-1.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17472 + ... + 22464.

Almost surely, 2^99700224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99700224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143048136).

99700224 is an abundant number, since it is smaller than the sum of its proper divisors (186396048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99700224 is a wasteful number, since it uses less digits than its factorization.

99700224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027 (or 5011 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 99700224 is about 9984.9999499249. Note that the first 4 decimals coincide. The cubic root of 99700224 is about 463.6946068105.

The spelling of 99700224 in words is "ninety-nine million, seven hundred thousand, two hundred twenty-four".