22842689 has 2 divisors, whose sum is σ = 22842690. Its totient is φ = 22842688.

The previous prime is 22842671. The next prime is 22842707. The reversal of 22842689 is 98624822.

It is a balanced prime because it is at equal distance from previous prime (22842671) and next prime (22842707).

It can be written as a sum of positive squares in only one way, i.e., 12390400 + 10452289 = 3520^2 + 3233^2 .

It is a cyclic number.

It is not a de Polignac number, because 22842689 - 2¹² = 22838593 is a prime.

It is not a weakly prime, because it can be changed into another prime (22842889) 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, 11421344 + 11421345.

It is an arithmetic number, because the mean of its divisors is an integer number (11421345).

Almost surely, 2^22842689 is an apocalyptic number.

It is an amenable number.

22842689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22842689 is an equidigital number, since it uses as much as digits as its factorization.

22842689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 41.

The square root of 22842689 is about 4779.4025777287. The cubic root of 22842689 is about 283.7368495785.

The spelling of 22842689 in words is "twenty-two million, eight hundred forty-two thousand, six hundred eighty-nine".