22233244 has 12 divisors (see below), whose sum is σ = 42445368. Its totient is φ = 10106000.

The previous prime is 22233217. The next prime is 22233257. The reversal of 22233244 is 44233222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252607 + ... + 252694.

It is an arithmetic number, because the mean of its divisors is an integer number (3537114).

Almost surely, 2^22233244 is an apocalyptic number.

It is an amenable number.

22233244 is a deficient number, since it is larger than the sum of its proper divisors (20212124).

22233244 is a wasteful number, since it uses less digits than its factorization.

22233244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505316 (or 505314 counting only the distinct ones).

The product of its digits is 2304, while the sum is 22.

The square root of 22233244 is about 4715.2140990627. The cubic root of 22233244 is about 281.1906947219.

Subtracting from 22233244 its sum of digits (22), we obtain a palindrome (22233222).

Adding to 22233244 its reverse (44233222), we get a palindrome (66466466).

The spelling of 22233244 in words is "twenty-two million, two hundred thirty-three thousand, two hundred forty-four".