22329249 has 4 divisors (see below), whose sum is σ = 29772336. Its totient is φ = 14886164.

The previous prime is 22329239. The next prime is 22329253. The reversal of 22329249 is 94292322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22329249 - 2⁸ = 22328993 is a prime.

It is a super-3 number, since 3×22329249³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22329239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3721539 + ... + 3721544.

It is an arithmetic number, because the mean of its divisors is an integer number (7443084).

Almost surely, 2^22329249 is an apocalyptic number.

It is an amenable number.

22329249 is a deficient number, since it is larger than the sum of its proper divisors (7443087).

22329249 is an equidigital number, since it uses as much as digits as its factorization.

22329249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7443086.

The product of its digits is 15552, while the sum is 33.

The square root of 22329249 is about 4725.3834765022. The cubic root of 22329249 is about 281.5948485049.

It can be divided in two parts, 22329 and 249, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 22329249 in words is "twenty-two million, three hundred twenty-nine thousand, two hundred forty-nine".