2266664587 has 16 divisors (see below), whose sum is σ = 2622160512. Its totient is φ = 1936443520.

The previous prime is 2266664579. The next prime is 2266664597. The reversal of 2266664587 is 7854666622.

It is not a de Polignac number, because 2266664587 - 2³ = 2266664579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2266664507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118848 + ... + 136594.

It is an arithmetic number, because the mean of its divisors is an integer number (163885032).

Almost surely, 2^2266664587 is an apocalyptic number.

2266664587 is a deficient number, since it is larger than the sum of its proper divisors (355495925).

2266664587 is a wasteful number, since it uses less digits than its factorization.

2266664587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18458.

The product of its digits is 5806080, while the sum is 52.

The square root of 2266664587 is about 47609.5010160787. The cubic root of 2266664587 is about 1313.5978224320.

The spelling of 2266664587 in words is "two billion, two hundred sixty-six million, six hundred sixty-four thousand, five hundred eighty-seven".