2266781085 has 32 divisors (see below), whose sum is σ = 4168800000. Its totient is φ = 1167259968.

The previous prime is 2266781081. The next prime is 2266781087. The reversal of 2266781085 is 5801876622.

2266781085 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 2266781085 - 2² = 2266781081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2266781085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266781081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285585 + ... + 293414.

It is an arithmetic number, because the mean of its divisors is an integer number (130275000).

Almost surely, 2^2266781085 is an apocalyptic number.

It is an amenable number.

2266781085 is a deficient number, since it is larger than the sum of its proper divisors (1902018915).

2266781085 is a wasteful number, since it uses less digits than its factorization.

2266781085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579042 (or 579036 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 2266781085 is about 47610.7244746391. The cubic root of 2266781085 is about 1313.6203267022.

The spelling of 2266781085 in words is "two billion, two hundred sixty-six million, seven hundred eighty-one thousand, eighty-five".