22233321 has 12 divisors (see below), whose sum is σ = 35034480. Its totient is φ = 13474680.

The previous prime is 22233317. The next prime is 22233359. The reversal of 22233321 is 12333222.

It is a happy number.

It is not a de Polignac number, because 22233321 - 2² = 22233317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22233294 and 22233303.

It is not an unprimeable number, because it can be changed into a prime (22233301) 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 11 ways as a sum of consecutive naturals, for example, 112191 + ... + 112388.

It is an arithmetic number, because the mean of its divisors is an integer number (2919540).

Almost surely, 2^22233321 is an apocalyptic number.

It is an amenable number.

22233321 is a deficient number, since it is larger than the sum of its proper divisors (12801159).

22233321 is a wasteful number, since it uses less digits than its factorization.

22233321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224596 (or 224593 counting only the distinct ones).

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

The square root of 22233321 is about 4715.2222641144. Note that the first 4 decimals coincide. The cubic root of 22233321 is about 281.1910193358.

Adding to 22233321 its reverse (12333222), we get a palindrome (34566543).

Subtracting from 22233321 its reverse (12333222), we obtain a palindrome (9900099).

The spelling of 22233321 in words is "twenty-two million, two hundred thirty-three thousand, three hundred twenty-one".