2276645 has 16 divisors (see below), whose sum is σ = 3231360. Its totient is φ = 1506624.

The previous prime is 2276629. The next prime is 2276669. The reversal of 2276645 is 5466722.

2276645 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 2276645 - 2⁴ = 2276629 is a prime.

It is a super-2 number, since 2×2276645² = 10366224912050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107 + ... + 2136.

It is an arithmetic number, because the mean of its divisors is an integer number (201960).

2^2276645 is an apocalyptic number.

It is an amenable number.

2276645 is a deficient number, since it is larger than the sum of its proper divisors (954715).

2276645 is a wasteful number, since it uses less digits than its factorization.

2276645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284.

The product of its digits is 20160, while the sum is 32.

The square root of 2276645 is about 1508.8555265498. The cubic root of 2276645 is about 131.5522979152.

It can be divided in two parts, 22 and 76645, that added together give a palindrome (76667).

The spelling of 2276645 in words is "two million, two hundred seventy-six thousand, six hundred forty-five".