22432789 has 2 divisors, whose sum is σ = 22432790. Its totient is φ = 22432788.

The previous prime is 22432777. The next prime is 22432801. The reversal of 22432789 is 98723422.

It is a balanced prime because it is at equal distance from previous prime (22432777) and next prime (22432801).

It can be written as a sum of positive squares in only one way, i.e., 15760900 + 6671889 = 3970^2 + 2583^2 .

It is a cyclic number.

It is not a de Polignac number, because 22432789 - 2⁵ = 22432757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22432589) 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, 11216394 + 11216395.

It is an arithmetic number, because the mean of its divisors is an integer number (11216395).

Almost surely, 2^22432789 is an apocalyptic number.

It is an amenable number.

22432789 is a deficient number, since it is larger than the sum of its proper divisors (1).

22432789 is an equidigital number, since it uses as much as digits as its factorization.

22432789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 22432789 is about 4736.3265301286. The cubic root of 22432789 is about 282.0294262001.

The spelling of 22432789 in words is "twenty-two million, four hundred thirty-two thousand, seven hundred eighty-nine".