22110989 has 2 divisors, whose sum is σ = 22110990. Its totient is φ = 22110988.

The previous prime is 22110961. The next prime is 22110997. The reversal of 22110989 is 98901122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18852964 + 3258025 = 4342^2 + 1805^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110989 - 2¹² = 22106893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22110089) 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, 11055494 + 11055495.

It is an arithmetic number, because the mean of its divisors is an integer number (11055495).

Almost surely, 2^22110989 is an apocalyptic number.

It is an amenable number.

22110989 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110989 is an equidigital number, since it uses as much as digits as its factorization.

22110989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 22110989 is about 4702.2323421966. The cubic root of 22110989 is about 280.6743482444.

The spelling of 22110989 in words is "twenty-two million, one hundred ten thousand, nine hundred eighty-nine".