99224784 has 160 divisors (see below), whose sum is σ = 308016000. Its totient is φ = 30468096.

The previous prime is 99224731. The next prime is 99224833. The reversal of 99224784 is 48742299.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433182 + ... + 433410.

It is an arithmetic number, because the mean of its divisors is an integer number (1925100).

Almost surely, 2^99224784 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 99224784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154008000).

99224784 is an abundant number, since it is smaller than the sum of its proper divisors (208791216).

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

99224784 is a wasteful number, since it uses less digits than its factorization.

99224784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 310 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 99224784 is about 9961.1637874297. The cubic root of 99224784 is about 462.9563592912.

It can be divided in two parts, 9922 and 4784, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 99224784 in words is "ninety-nine million, two hundred twenty-four thousand, seven hundred eighty-four".