99229884 has 144 divisors (see below), whose sum is σ = 277272576. Its totient is φ = 27417600.

The previous prime is 99229883. The next prime is 99229931. The reversal of 99229884 is 48892299.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99229883) 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 47 ways as a sum of consecutive naturals, for example, 1397569 + ... + 1397639.

It is an arithmetic number, because the mean of its divisors is an integer number (1925504).

Almost surely, 2^99229884 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 99229884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138636288).

99229884 is an abundant number, since it is smaller than the sum of its proper divisors (178042692).

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

99229884 is a wasteful number, since it uses less digits than its factorization.

99229884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 137 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 99229884 is about 9961.4197783248. The cubic root of 99229884 is about 462.9642909016.

It can be divided in two parts, 992 and 29884, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 99229884 in words is "ninety-nine million, two hundred twenty-nine thousand, eight hundred eighty-four".