99225258 has 64 divisors (see below), whose sum is σ = 231482880. Its totient is φ = 28036800.

The previous prime is 99225257. The next prime is 99225281. The reversal of 99225258 is 85252299.

It is not an unprimeable number, because it can be changed into a prime (99225257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83428 + ... + 84608.

It is an arithmetic number, because the mean of its divisors is an integer number (3616920).

Almost surely, 2^99225258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99225258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115741440).

99225258 is an abundant number, since it is smaller than the sum of its proper divisors (132257622).

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

99225258 is a wasteful number, since it uses less digits than its factorization.

99225258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283.

The product of its digits is 129600, while the sum is 42.

The square root of 99225258 is about 9961.1875798019. The cubic root of 99225258 is about 462.9570964759.

The spelling of 99225258 in words is "ninety-nine million, two hundred twenty-five thousand, two hundred fifty-eight".