99227 has 4 divisors (see below), whose sum is σ = 100776. Its totient is φ = 97680.

The previous prime is 99223. The next prime is 99233. The reversal of 99227 is 72299.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72299 = 197 ⋅367.

It is a cyclic number.

It is not a de Polignac number, because 99227 - 2² = 99223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99227.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 99227.

It is not an unprimeable number, because it can be changed into a prime (99223) 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, 674 + ... + 807.

It is an arithmetic number, because the mean of its divisors is an integer number (25194).

2⁹⁹²²⁷ is an apocalyptic number.

99227 is a deficient number, since it is larger than the sum of its proper divisors (1549).

99227 is a wasteful number, since it uses less digits than its factorization.

99227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548.

The product of its digits is 2268, while the sum is 29.

The square root of 99227 is about 315.0031745872. The cubic root of 99227 is about 46.2959805687.

The spelling of 99227 in words is "ninety-nine thousand, two hundred twenty-seven".