22042233 has 16 divisors (see below), whose sum is σ = 33782400. Its totient is φ = 14187600.

The previous prime is 22042231. The next prime is 22042243. The reversal of 22042233 is 33224022.

It is not a de Polignac number, because 22042233 - 2¹ = 22042231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22042231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13293 + ... + 14858.

It is an arithmetic number, because the mean of its divisors is an integer number (2111400).

Almost surely, 2^22042233 is an apocalyptic number.

It is an amenable number.

22042233 is a deficient number, since it is larger than the sum of its proper divisors (11740167).

22042233 is a wasteful number, since it uses less digits than its factorization.

22042233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28189 (or 28183 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22042233 is about 4694.9156541944. The cubic root of 22042233 is about 280.3831192528.

Adding to 22042233 its reverse (33224022), we get a palindrome (55266255).

The spelling of 22042233 in words is "twenty-two million, forty-two thousand, two hundred thirty-three".