11228589 has 6 divisors (see below), whose sum is σ = 16219086. Its totient is φ = 7485720.

The previous prime is 11228561. The next prime is 11228593. The reversal of 11228589 is 98582211.

It can be written as a sum of positive squares in only one way, i.e., 9715689 + 1512900 = 3117^2 + 1230^2 .

It is not a de Polignac number, because 11228589 - 2⁸ = 11228333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11228509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623802 + ... + 623819.

It is an arithmetic number, because the mean of its divisors is an integer number (2703181).

Almost surely, 2^11228589 is an apocalyptic number.

It is an amenable number.

11228589 is a deficient number, since it is larger than the sum of its proper divisors (4990497).

11228589 is a wasteful number, since it uses less digits than its factorization.

11228589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247627 (or 1247624 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 11228589 is about 3350.9086827307. The cubic root of 11228589 is about 223.9279968938.

The spelling of 11228589 in words is "eleven million, two hundred twenty-eight thousand, five hundred eighty-nine".