22443233 has 2 divisors, whose sum is σ = 22443234. Its totient is φ = 22443232.

The previous prime is 22443229. The next prime is 22443241. The reversal of 22443233 is 33234422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20502784 + 1940449 = 4528^2 + 1393^2 .

It is a cyclic number.

It is not a de Polignac number, because 22443233 - 2² = 22443229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22443199 and 22443208.

It is not a weakly prime, because it can be changed into another prime (22443133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221616 + 11221617.

It is an arithmetic number, because the mean of its divisors is an integer number (11221617).

Almost surely, 2^22443233 is an apocalyptic number.

It is an amenable number.

22443233 is a deficient number, since it is larger than the sum of its proper divisors (1).

22443233 is an equidigital number, since it uses as much as digits as its factorization.

22443233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 23.

The square root of 22443233 is about 4737.4289440582. The cubic root of 22443233 is about 282.0731874155.

Adding to 22443233 its reverse (33234422), we get a palindrome (55677655).

The spelling of 22443233 in words is "twenty-two million, four hundred forty-three thousand, two hundred thirty-three".