22033789 has 2 divisors, whose sum is σ = 22033790. Its totient is φ = 22033788.

The previous prime is 22033783. The next prime is 22033829. The reversal of 22033789 is 98733022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21483225 + 550564 = 4635^2 + 742^2 .

It is a cyclic number.

It is not a de Polignac number, because 22033789 - 2¹¹ = 22031741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22033783) 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, 11016894 + 11016895.

It is an arithmetic number, because the mean of its divisors is an integer number (11016895).

Almost surely, 2^22033789 is an apocalyptic number.

It is an amenable number.

22033789 is a deficient number, since it is larger than the sum of its proper divisors (1).

22033789 is an equidigital number, since it uses as much as digits as its factorization.

22033789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 22033789 is about 4694.0162973726. The cubic root of 22033789 is about 280.3473113646.

It can be divided in two parts, 22033 and 789, that added together give a palindrome (22822).

The spelling of 22033789 in words is "twenty-two million, thirty-three thousand, seven hundred eighty-nine".