2289555 has 24 divisors (see below), whose sum is σ = 4022928. Its totient is φ = 1204416.

The previous prime is 2289503. The next prime is 2289571. The reversal of 2289555 is 5559822.

2289555 is a `hidden beast` number, since 22 + 89 + 555 = 666.

It is not a de Polignac number, because 2289555 - 2¹¹ = 2287507 is a prime.

2289555 is a lucky number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 3429 + ... + 4041.

It is an arithmetic number, because the mean of its divisors is an integer number (167622).

2^2289555 is an apocalyptic number.

2289555 is a deficient number, since it is larger than the sum of its proper divisors (1733373).

2289555 is a wasteful number, since it uses less digits than its factorization.

2289555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 704 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 2289555 is about 1513.1275557599. The cubic root of 2289555 is about 131.8004906175.

The spelling of 2289555 in words is "two million, two hundred eighty-nine thousand, five hundred fifty-five".