99252216 has 80 divisors (see below), whose sum is σ = 317726640. Its totient is φ = 28356480.

The previous prime is 99252211. The next prime is 99252217. The reversal of 99252216 is 61225299.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99252211) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6405 + ... + 15476.

It is an arithmetic number, because the mean of its divisors is an integer number (3971583).

Almost surely, 2^99252216 is an apocalyptic number.

It is an amenable number.

99252216 is an abundant number, since it is smaller than the sum of its proper divisors (218474424).

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

99252216 is a wasteful number, since it uses less digits than its factorization.

99252216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21906 (or 21893 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 99252216 is about 9962.5406398167. The cubic root of 99252216 is about 462.9990188237. Note that the first 3 decimals are identical.

The spelling of 99252216 in words is "ninety-nine million, two hundred fifty-two thousand, two hundred sixteen".