22132233 has 24 divisors (see below), whose sum is σ = 34444800. Its totient is φ = 13654080.

The previous prime is 22132223. The next prime is 22132237. The reversal of 22132233 is 33223122.

It is a happy number.

It is not a de Polignac number, because 22132233 - 2⁹ = 22131721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22132237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4693 + ... + 8141.

It is an arithmetic number, because the mean of its divisors is an integer number (1435200).

Almost surely, 2^22132233 is an apocalyptic number.

22132233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22132233 is a deficient number, since it is larger than the sum of its proper divisors (12312567).

22132233 is a wasteful number, since it uses less digits than its factorization.

22132233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509 (or 3506 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 22132233 is about 4704.4907269544. The cubic root of 22132233 is about 280.7642091013.

Adding to 22132233 its reverse (33223122), we get a palindrome (55355355).

The spelling of 22132233 in words is "twenty-two million, one hundred thirty-two thousand, two hundred thirty-three".