2289335409 has 27 divisors (see below), whose sum is σ = 3398174689. Its totient is φ = 1485170880.

The previous prime is 2289335353. The next prime is 2289335423. The reversal of 2289335409 is 9045339822.

It is a happy number.

The square root of 2289335409 is 47847.

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

2289335409 is a `hidden beast` number, since 22 + 89 + 3 + 3 + 540 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1274275809 + 1015059600 = 35697^2 + 31860^2 .

It is not a de Polignac number, because 2289335409 - 2⁷ = 2289335281 is a prime.

It is a super-2 number, since 2×2289335409² = 10482113229802394562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2289335459) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5884987 + ... + 5885375.

Almost surely, 2^2289335409 is an apocalyptic number.

2289335409 is the 47847-th square number.

2289335409 is the 23924-th centered octagonal number.

It is an amenable number.

2289335409 is a deficient number, since it is larger than the sum of its proper divisors (1108839280).

2289335409 is an frugal number, since it uses more digits than its factorization.

2289335409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The cubic root of 2289335409 is about 1317.9627682535.

The spelling of 2289335409 in words is "two billion, two hundred eighty-nine million, three hundred thirty-five thousand, four hundred nine".