22222233 has 12 divisors (see below), whose sum is σ = 35017008. Its totient is φ = 13467960.

The previous prime is 22222223. The next prime is 22222253. The reversal of 22222233 is 33222222.

It is not a de Polignac number, because 22222233 - 2⁸ = 22221977 is a prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22222223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112135 + ... + 112332.

It is an arithmetic number, because the mean of its divisors is an integer number (2918084).

Almost surely, 2^22222233 is an apocalyptic number.

It is an amenable number.

22222233 is a deficient number, since it is larger than the sum of its proper divisors (12794775).

22222233 is a wasteful number, since it uses less digits than its factorization.

22222233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224484 (or 224481 counting only the distinct ones).

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

The square root of 22222233 is about 4714.0463510661. The cubic root of 22222233 is about 281.1442672189.

Adding to 22222233 its reverse (33222222), we get a palindrome (55444455).

The spelling of 22222233 in words is "twenty-two million, two hundred twenty-two thousand, two hundred thirty-three".