99228785 has 16 divisors (see below), whose sum is σ = 125107200. Its totient is φ = 75408960.

The previous prime is 99228781. The next prime is 99228823. The reversal of 99228785 is 58782299.

It is not a de Polignac number, because 99228785 - 2² = 99228781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99228781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14240 + ... + 20030.

It is an arithmetic number, because the mean of its divisors is an integer number (7819200).

Almost surely, 2^99228785 is an apocalyptic number.

It is an amenable number.

99228785 is a deficient number, since it is larger than the sum of its proper divisors (25878415).

99228785 is a wasteful number, since it uses less digits than its factorization.

99228785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5968.

The product of its digits is 725760, while the sum is 50.

The square root of 99228785 is about 9961.3646153527. The cubic root of 99228785 is about 462.9625817403.

The spelling of 99228785 in words is "ninety-nine million, two hundred twenty-eight thousand, seven hundred eighty-five".