22299 has 4 divisors (see below), whose sum is σ = 29736. Its totient is φ = 14864.

The previous prime is 22291. The next prime is 22303. The reversal of 22299 is 99222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22299 - 2³ = 22291 is a prime.

It is a D-number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22291) 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, 3714 + ... + 3719.

It is an arithmetic number, because the mean of its divisors is an integer number (7434).

2²²²⁹⁹ is an apocalyptic number.

22299 is a deficient number, since it is larger than the sum of its proper divisors (7437).

22299 is an equidigital number, since it uses as much as digits as its factorization.

22299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7436.

The product of its digits is 648, while the sum is 24.

The square root of 22299 is about 149.3284969455. The cubic root of 22299 is about 28.1467634018.

The spelling of 22299 in words is "twenty-two thousand, two hundred ninety-nine".