22867489 has 2 divisors, whose sum is σ = 22867490. Its totient is φ = 22867488.

The previous prime is 22867487. The next prime is 22867513. The reversal of 22867489 is 98476822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22043025 + 824464 = 4695^2 + 908^2 .

It is a cyclic number.

It is not a de Polignac number, because 22867489 - 2¹ = 22867487 is a prime.

Together with 22867487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22867487) 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, 11433744 + 11433745.

It is an arithmetic number, because the mean of its divisors is an integer number (11433745).

Almost surely, 2^22867489 is an apocalyptic number.

It is an amenable number.

22867489 is a deficient number, since it is larger than the sum of its proper divisors (1).

22867489 is an equidigital number, since it uses as much as digits as its factorization.

22867489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 46.

The square root of 22867489 is about 4781.9963404419. The cubic root of 22867489 is about 283.8394955332.

The spelling of 22867489 in words is "twenty-two million, eight hundred sixty-seven thousand, four hundred eighty-nine".