22032223 has 4 divisors (see below), whose sum is σ = 22342608. Its totient is φ = 21721840.

The previous prime is 22032169. The next prime is 22032233. The reversal of 22032223 is 32223022.

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 22032223 - 2¹³ = 22024031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22032197 and 22032206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22032233) 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, 155086 + ... + 155227.

It is an arithmetic number, because the mean of its divisors is an integer number (5585652).

Almost surely, 2^22032223 is an apocalyptic number.

22032223 is a deficient number, since it is larger than the sum of its proper divisors (310385).

22032223 is an equidigital number, since it uses as much as digits as its factorization.

22032223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310384.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22032223 is about 4693.8494862959. The cubic root of 22032223 is about 280.3406695308.

Adding to 22032223 its reverse (32223022), we get a palindrome (54255245).

The spelling of 22032223 in words is "twenty-two million, thirty-two thousand, two hundred twenty-three".