22328899 has 4 divisors (see below), whose sum is σ = 22389136. Its totient is φ = 22268664.

The previous prime is 22328879. The next prime is 22328941. The reversal of 22328899 is 99882322.

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 22328899 - 2⁷ = 22328771 is a prime.

It is a super-3 number, since 3×22328899³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22328809) 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, 29559 + ... + 30304.

It is an arithmetic number, because the mean of its divisors is an integer number (5597284).

Almost surely, 2^22328899 is an apocalyptic number.

22328899 is a deficient number, since it is larger than the sum of its proper divisors (60237).

22328899 is an equidigital number, since it uses as much as digits as its factorization.

22328899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60236.

The product of its digits is 124416, while the sum is 43.

The square root of 22328899 is about 4725.3464423257. The cubic root of 22328899 is about 281.5933772103.

The spelling of 22328899 in words is "twenty-two million, three hundred twenty-eight thousand, eight hundred ninety-nine".