2266891338 has 16 divisors (see below), whose sum is σ = 4595890176. Its totient is φ = 745279200.

The previous prime is 2266891313. The next prime is 2266891379. The reversal of 2266891338 is 8331986622.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2587338 + ... + 2588213.

It is an arithmetic number, because the mean of its divisors is an integer number (287243136).

Almost surely, 2^2266891338 is an apocalyptic number.

2266891338 is an abundant number, since it is smaller than the sum of its proper divisors (2328998838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2266891338 is a wasteful number, since it uses less digits than its factorization.

2266891338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175629.

The product of its digits is 746496, while the sum is 48.

The square root of 2266891338 is about 47611.8823194379. The cubic root of 2266891338 is about 1313.6416238969.

The spelling of 2266891338 in words is "two billion, two hundred sixty-six million, eight hundred ninety-one thousand, three hundred thirty-eight".