22445133489 has 9 divisors (see below), whose sum is σ = 32421397593. Its totient is φ = 14963122692.

The previous prime is 22445133463. The next prime is 22445133497. The reversal of 22445133489 is 98433154422.

The square root of 22445133489 is 149817.

It is a perfect power (a square), and thus also a powerful number.

22445133489 is a `hidden beast` number, since 2 + 24 + 4 + 513 + 34 + 89 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 22445133489 - 2⁹ = 22445132977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22445133589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 424482 + ... + 474420.

Almost surely, 2^22445133489 is an apocalyptic number.

22445133489 is the 149817-th square number.

22445133489 is the 74909-th centered octagonal number.

It is an amenable number.

22445133489 is a deficient number, since it is larger than the sum of its proper divisors (9976264104).

22445133489 is an frugal number, since it uses more digits than its factorization.

22445133489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99884 (or 49942 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 22445133489 in words is "twenty-two billion, four hundred forty-five million, one hundred thirty-three thousand, four hundred eighty-nine".