22485289 has 2 divisors, whose sum is σ = 22485290. Its totient is φ = 22485288.

The previous prime is 22485269. The next prime is 22485293. The reversal of 22485289 is 98258422.

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., 22467600 + 17689 = 4740^2 + 133^2 .

It is a cyclic number.

It is not a de Polignac number, because 22485289 - 2¹⁷ = 22354217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22485269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11242644 + 11242645.

It is an arithmetic number, because the mean of its divisors is an integer number (11242645).

Almost surely, 2^22485289 is an apocalyptic number.

It is an amenable number.

22485289 is a deficient number, since it is larger than the sum of its proper divisors (1).

22485289 is an equidigital number, since it uses as much as digits as its factorization.

22485289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 40.

The square root of 22485289 is about 4741.8655611478. The cubic root of 22485289 is about 282.2492682234.

The spelling of 22485289 in words is "twenty-two million, four hundred eighty-five thousand, two hundred eighty-nine".