99512272 has 20 divisors (see below), whose sum is σ = 202953280. Its totient is φ = 47137248.

The previous prime is 99512267. The next prime is 99512321. The reversal of 99512272 is 27221599.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163368 + ... + 163975.

It is an arithmetic number, because the mean of its divisors is an integer number (10147664).

Almost surely, 2^99512272 is an apocalyptic number.

It is an amenable number.

99512272 is an abundant number, since it is smaller than the sum of its proper divisors (103441008).

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

99512272 is a wasteful number, since it uses less digits than its factorization.

99512272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327370 (or 327364 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 99512272 is about 9975.5837924404. The cubic root of 99512272 is about 463.4030422637.

The spelling of 99512272 in words is "ninety-nine million, five hundred twelve thousand, two hundred seventy-two".