22696789 has 2 divisors, whose sum is σ = 22696790. Its totient is φ = 22696788.

The previous prime is 22696787. The next prime is 22696801. The reversal of 22696789 is 98769622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21464689 + 1232100 = 4633^2 + 1110^2 .

It is a cyclic number.

It is not a de Polignac number, because 22696789 - 2¹ = 22696787 is a prime.

Together with 22696787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22696781) 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, 11348394 + 11348395.

It is an arithmetic number, because the mean of its divisors is an integer number (11348395).

Almost surely, 2^22696789 is an apocalyptic number.

It is an amenable number.

22696789 is a deficient number, since it is larger than the sum of its proper divisors (1).

22696789 is an equidigital number, since it uses as much as digits as its factorization.

22696789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 49.

The square root of 22696789 is about 4764.1147131445. The cubic root of 22696789 is about 283.1314675917.

The spelling of 22696789 in words is "twenty-two million, six hundred ninety-six thousand, seven hundred eighty-nine".