22989311 has 2 divisors, whose sum is σ = 22989312. Its totient is φ = 22989310.

The previous prime is 22989301. The next prime is 22989313. The reversal of 22989311 is 11398922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22989311 is a prime.

It is a super-3 number, since 3×22989311³ (a number of 23 digits) contains 333 as substring.

Together with 22989313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22989313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11494655 + 11494656.

It is an arithmetic number, because the mean of its divisors is an integer number (11494656).

Almost surely, 2^22989311 is an apocalyptic number.

22989311 is a deficient number, since it is larger than the sum of its proper divisors (1).

22989311 is an equidigital number, since it uses as much as digits as its factorization.

22989311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 35.

The square root of 22989311 is about 4794.7169885198. The cubic root of 22989311 is about 284.3426359498.

The spelling of 22989311 in words is "twenty-two million, nine hundred eighty-nine thousand, three hundred eleven".