99577225 has 12 divisors (see below), whose sum is σ = 134701200. Its totient is φ = 72419600.

The previous prime is 99577187. The next prime is 99577241. The reversal of 99577225 is 52277599.

It is not a de Polignac number, because 99577225 - 2⁹ = 99576713 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 180775 + ... + 181324.

It is an arithmetic number, because the mean of its divisors is an integer number (11225100).

Almost surely, 2^99577225 is an apocalyptic number.

It is an amenable number.

99577225 is a deficient number, since it is larger than the sum of its proper divisors (35123975).

99577225 is a wasteful number, since it uses less digits than its factorization.

99577225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362120 (or 362115 counting only the distinct ones).

The product of its digits is 396900, while the sum is 46.

The square root of 99577225 is about 9978.8388603083. The cubic root of 99577225 is about 463.5038434708.

The spelling of 99577225 in words is "ninety-nine million, five hundred seventy-seven thousand, two hundred twenty-five".