2266889 has 4 divisors (see below), whose sum is σ = 2270100. Its totient is φ = 2263680.

The previous prime is 2266883. The next prime is 2266897. The reversal of 2266889 is 9886622.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1776889 + 490000 = 1333^2 + 700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266889 - 2⁸ = 2266633 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2266883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32 + ... + 2129.

It is an arithmetic number, because the mean of its divisors is an integer number (567525).

2^2266889 is an apocalyptic number.

It is an amenable number.

2266889 is a deficient number, since it is larger than the sum of its proper divisors (3211).

2266889 is a wasteful number, since it uses less digits than its factorization.

2266889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210.

The product of its digits is 82944, while the sum is 41.

The square root of 2266889 is about 1505.6191417487. The cubic root of 2266889 is about 131.3641172281.

The spelling of 2266889 in words is "two million, two hundred sixty-six thousand, eight hundred eighty-nine".