99155244 has 12 divisors (see below), whose sum is σ = 231362264. Its totient is φ = 33051744.

The previous prime is 99155171. The next prime is 99155249. The reversal of 99155244 is 44255199.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (99155249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4131457 + ... + 4131480.

Almost surely, 2^99155244 is an apocalyptic number.

It is an amenable number.

99155244 is an abundant number, since it is smaller than the sum of its proper divisors (132207020).

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

99155244 is a wasteful number, since it uses less digits than its factorization.

99155244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8262944 (or 8262942 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 99155244 is about 9957.6726196436. The cubic root of 99155244 is about 462.8481823227.

It can be divided in two parts, 99155 and 244, that added together give a palindrome (99399).

The spelling of 99155244 in words is "ninety-nine million, one hundred fifty-five thousand, two hundred forty-four".