2270766891 has 16 divisors (see below), whose sum is σ = 3211753248. Its totient is φ = 1422144000.

The previous prime is 2270766889. The next prime is 2270766989. The reversal of 2270766891 is 1986670722.

2270766891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2270766891 - 2¹ = 2270766889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2270766891.

It is not an unprimeable number, because it can be changed into a prime (2270766191) 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, 13560 + ... + 68741.

It is an arithmetic number, because the mean of its divisors is an integer number (200734578).

Almost surely, 2^2270766891 is an apocalyptic number.

2270766891 is a deficient number, since it is larger than the sum of its proper divisors (940986357).

2270766891 is a wasteful number, since it uses less digits than its factorization.

2270766891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82862.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 2270766891 is about 47652.5643696118. The cubic root of 2270766891 is about 1314.3898128529.

It can be divided in two parts, 22707 and 66891, that added together give a palindrome (89598).

The spelling of 2270766891 in words is "two billion, two hundred seventy million, seven hundred sixty-six thousand, eight hundred ninety-one".