22144333 has 2 divisors, whose sum is σ = 22144334. Its totient is φ = 22144332.

The previous prime is 22144327. The next prime is 22144361. The reversal of 22144333 is 33344122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16752649 + 5391684 = 4093^2 + 2322^2 .

It is a cyclic number.

It is not a de Polignac number, because 22144333 - 2¹³ = 22136141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22144303) 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, 11072166 + 11072167.

It is an arithmetic number, because the mean of its divisors is an integer number (11072167).

Almost surely, 2^22144333 is an apocalyptic number.

It is an amenable number.

22144333 is a deficient number, since it is larger than the sum of its proper divisors (1).

22144333 is an equidigital number, since it uses as much as digits as its factorization.

22144333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 22.

The square root of 22144333 is about 4705.7765565313. The cubic root of 22144333 is about 280.8153656808.

Adding to 22144333 its reverse (33344122), we get a palindrome (55488455).

The spelling of 22144333 in words is "twenty-two million, one hundred forty-four thousand, three hundred thirty-three".