99227588 has 6 divisors (see below), whose sum is σ = 173648286. Its totient is φ = 49613792.

The previous prime is 99227587. The next prime is 99227591. The reversal of 99227588 is 88572299.

It can be written as a sum of positive squares in only one way, i.e., 56821444 + 42406144 = 7538^2 + 6512^2 .

It is a super-2 number, since 2×99227588² = 19692228440595488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99227581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12403445 + ... + 12403452.

It is an arithmetic number, because the mean of its divisors is an integer number (28941381).

Almost surely, 2^99227588 is an apocalyptic number.

It is an amenable number.

99227588 is a deficient number, since it is larger than the sum of its proper divisors (74420698).

99227588 is a wasteful number, since it uses less digits than its factorization.

99227588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24806901 (or 24806899 counting only the distinct ones).

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

The square root of 99227588 is about 9961.3045330418. The cubic root of 99227588 is about 462.9607201554.

The spelling of 99227588 in words is "ninety-nine million, two hundred twenty-seven thousand, five hundred eighty-eight".