2272687 has 4 divisors (see below), whose sum is σ = 2276080. Its totient is φ = 2269296.

The previous prime is 2272667. The next prime is 2272691. The reversal of 2272687 is 7862722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2272687 - 2⁷ = 2272559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272657) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 318 + ... + 2155.

It is an arithmetic number, because the mean of its divisors is an integer number (569020).

2^2272687 is an apocalyptic number.

2272687 is a deficient number, since it is larger than the sum of its proper divisors (3393).

2272687 is an equidigital number, since it uses as much as digits as its factorization.

2272687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392.

The product of its digits is 18816, while the sum is 34.

The square root of 2272687 is about 1507.5433658771. The cubic root of 2272687 is about 131.4760181223.

The spelling of 2272687 in words is "two million, two hundred seventy-two thousand, six hundred eighty-seven".