22329223 has 4 divisors (see below), whose sum is σ = 25519120. Its totient is φ = 19139328.

The previous prime is 22329221. The next prime is 22329227. The reversal of 22329223 is 32292322.

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 22329223 - 2¹ = 22329221 is a prime.

It is a super-3 number, since 3×22329223³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22329221) 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, 1594938 + ... + 1594951.

It is an arithmetic number, because the mean of its divisors is an integer number (6379780).

Almost surely, 2^22329223 is an apocalyptic number.

22329223 is a deficient number, since it is larger than the sum of its proper divisors (3189897).

22329223 is an equidigital number, since it uses as much as digits as its factorization.

22329223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189896.

The product of its digits is 2592, while the sum is 25.

The square root of 22329223 is about 4725.3807254019. The cubic root of 22329223 is about 281.5947392093.

It can be divided in two parts, 2232 and 9223, that multiplied together give a triangular number (20585736 = T₆₄₁₆).

The spelling of 22329223 in words is "twenty-two million, three hundred twenty-nine thousand, two hundred twenty-three".