22650889 has 2 divisors, whose sum is σ = 22650890. Its totient is φ = 22650888.

The previous prime is 22650877. The next prime is 22650893. The reversal of 22650889 is 98805622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15468489 + 7182400 = 3933^2 + 2680^2 .

It is a cyclic number.

It is not a de Polignac number, because 22650889 - 2¹¹ = 22648841 is a prime.

It is not a weakly prime, because it can be changed into another prime (22650899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11325444 + 11325445.

It is an arithmetic number, because the mean of its divisors is an integer number (11325445).

Almost surely, 2^22650889 is an apocalyptic number.

It is an amenable number.

22650889 is a deficient number, since it is larger than the sum of its proper divisors (1).

22650889 is an equidigital number, since it uses as much as digits as its factorization.

22650889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 22650889 is about 4759.2950108183. The cubic root of 22650889 is about 282.9404786857.

It can be divided in two parts, 226 and 50889, that added together give a palindrome (51115).

The spelling of 22650889 in words is "twenty-two million, six hundred fifty thousand, eight hundred eighty-nine".