2287345509 has 12 divisors (see below), whose sum is σ = 3410522752. Its totient is φ = 1475706600.

The previous prime is 2287345499. The next prime is 2287345547. The reversal of 2287345509 is 9055437822.

2287345509 is a `hidden beast` number, since 2 + 28 + 73 + 4 + 550 + 9 = 666.

It is not a de Polignac number, because 2287345509 - 2⁴ = 2287345493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287345309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4098907 + ... + 4099464.

Almost surely, 2^2287345509 is an apocalyptic number.

It is an amenable number.

2287345509 is a deficient number, since it is larger than the sum of its proper divisors (1123177243).

2287345509 is a wasteful number, since it uses less digits than its factorization.

2287345509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8198408 (or 8198405 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 2287345509 is about 47826.2010722156. The cubic root of 2287345509 is about 1317.5807979618.

The spelling of 2287345509 in words is "two billion, two hundred eighty-seven million, three hundred forty-five thousand, five hundred nine".