99225663 has 4 divisors (see below), whose sum is σ = 132300888. Its totient is φ = 66150440.

The previous prime is 99225653. The next prime is 99225677. The reversal of 99225663 is 36652299.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99225663 - 2⁴ = 99225647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99225653) 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, 16537608 + ... + 16537613.

It is an arithmetic number, because the mean of its divisors is an integer number (33075222).

Almost surely, 2^99225663 is an apocalyptic number.

99225663 is a deficient number, since it is larger than the sum of its proper divisors (33075225).

99225663 is a wasteful number, since it uses less digits than its factorization.

99225663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33075224.

The product of its digits is 174960, while the sum is 42.

The square root of 99225663 is about 9961.2079086826. The cubic root of 99225663 is about 462.9577263470.

The spelling of 99225663 in words is "ninety-nine million, two hundred twenty-five thousand, six hundred sixty-three".