22222433 has 2 divisors, whose sum is σ = 22222434. Its totient is φ = 22222432.

The previous prime is 22222429. The next prime is 22222471. The reversal of 22222433 is 33422222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21743569 + 478864 = 4663^2 + 692^2 .

It is a cyclic number.

It is not a de Polignac number, because 22222433 - 2² = 22222429 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22225433) 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 as a sum of consecutive naturals, namely, 11111216 + 11111217.

It is an arithmetic number, because the mean of its divisors is an integer number (11111217).

Almost surely, 2^22222433 is an apocalyptic number.

It is an amenable number.

22222433 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222433 is an equidigital number, since it uses as much as digits as its factorization.

22222433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 20.

The square root of 22222433 is about 4714.0675642167. The cubic root of 22222433 is about 281.1451106488.

Adding to 22222433 its reverse (33422222), we get a palindrome (55644655).

The spelling of 22222433 in words is "twenty-two million, two hundred twenty-two thousand, four hundred thirty-three".