99225590 has 8 divisors (see below), whose sum is σ = 178606080. Its totient is φ = 39690232.

The previous prime is 99225569. The next prime is 99225629. The reversal of 99225590 is 9552299.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4961270 + ... + 4961289.

It is an arithmetic number, because the mean of its divisors is an integer number (22325760).

Almost surely, 2^99225590 is an apocalyptic number.

99225590 is a deficient number, since it is larger than the sum of its proper divisors (79380490).

99225590 is a wasteful number, since it uses less digits than its factorization.

99225590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9922566.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 99225590 is about 9961.2042444676. The cubic root of 99225590 is about 462.9576128148.

The spelling of 99225590 in words is "ninety-nine million, two hundred twenty-five thousand, five hundred ninety".