2266664491 has 12 divisors (see below), whose sum is σ = 2839558512. Its totient is φ = 1793404368.

The previous prime is 2266664399. The next prime is 2266664501. The reversal of 2266664491 is 1944666622.

It is not a de Polignac number, because 2266664491 - 2¹³ = 2266656299 is a prime.

It is the 47610-th Hogben number.

It is not an unprimeable number, because it can be changed into a prime (2266464491) by changing a digit.

It is a nontrivial repunit in base 47609.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1778535 + ... + 1779808.

It is an arithmetic number, because the mean of its divisors is an integer number (236629876).

Almost surely, 2^2266664491 is an apocalyptic number.

2266664491 is a deficient number, since it is larger than the sum of its proper divisors (572894021).

2266664491 is a wasteful number, since it uses less digits than its factorization.

2266664491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558370 (or 3558363 counting only the distinct ones).

The product of its digits is 746496, while the sum is 46.

The square root of 2266664491 is about 47609.5000078766. The cubic root of 2266664491 is about 1313.5978038870.

The spelling of 2266664491 in words is "two billion, two hundred sixty-six million, six hundred sixty-four thousand, four hundred ninety-one".