22485889 has 2 divisors, whose sum is σ = 22485890. Its totient is φ = 22485888.

The previous prime is 22485877. The next prime is 22485893. The reversal of 22485889 is 98858422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19184400 + 3301489 = 4380^2 + 1817^2 .

It is a cyclic number.

It is not a de Polignac number, because 22485889 - 2¹⁹ = 21961601 is a prime.

It is not a weakly prime, because it can be changed into another prime (22485809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11242944 + 11242945.

It is an arithmetic number, because the mean of its divisors is an integer number (11242945).

Almost surely, 2^22485889 is an apocalyptic number.

It is an amenable number.

22485889 is a deficient number, since it is larger than the sum of its proper divisors (1).

22485889 is an equidigital number, since it uses as much as digits as its factorization.

22485889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 368640, while the sum is 46.

The square root of 22485889 is about 4741.9288269648. The cubic root of 22485889 is about 282.2517787249.

The spelling of 22485889 in words is "twenty-two million, four hundred eighty-five thousand, eight hundred eighty-nine".