2267646 has 16 divisors (see below), whose sum is σ = 4569600. Its totient is φ = 750168.

The previous prime is 2267633. The next prime is 2267653. The reversal of 2267646 is 6467622.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526 + ... + 2193.

It is an arithmetic number, because the mean of its divisors is an integer number (285600).

2^2267646 is an apocalyptic number.

2267646 is an abundant number, since it is smaller than the sum of its proper divisors (2301954).

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

2267646 is a wasteful number, since it uses less digits than its factorization.

2267646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863.

The product of its digits is 24192, while the sum is 33.

The square root of 2267646 is about 1505.8705123615. The cubic root of 2267646 is about 131.3787380836.

It can be divided in two parts, 22676 and 46, that added together give a palindrome (22722).

The spelling of 2267646 in words is "two million, two hundred sixty-seven thousand, six hundred forty-six".