22241689 has 2 divisors, whose sum is σ = 22241690. Its totient is φ = 22241688.

The previous prime is 22241623. The next prime is 22241693. The reversal of 22241689 is 98614222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19891600 + 2350089 = 4460^2 + 1533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22241689 is a prime.

It is not a weakly prime, because it can be changed into another prime (22241489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120844 + 11120845.

It is an arithmetic number, because the mean of its divisors is an integer number (11120845).

Almost surely, 2^22241689 is an apocalyptic number.

It is an amenable number.

22241689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22241689 is an equidigital number, since it uses as much as digits as its factorization.

22241689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The square root of 22241689 is about 4716.1095195086. The cubic root of 22241689 is about 281.2262923885.

The spelling of 22241689 in words is "twenty-two million, two hundred forty-one thousand, six hundred eighty-nine".