2223687 has 4 divisors (see below), whose sum is σ = 2964920. Its totient is φ = 1482456.

The previous prime is 2223679. The next prime is 2223701. The reversal of 2223687 is 7863222.

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

It is not a de Polignac number, because 2223687 - 2³ = 2223679 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223607) 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, 370612 + ... + 370617.

It is an arithmetic number, because the mean of its divisors is an integer number (741230).

2^2223687 is an apocalyptic number.

2223687 is a deficient number, since it is larger than the sum of its proper divisors (741233).

2223687 is an equidigital number, since it uses as much as digits as its factorization.

2223687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741232.

The product of its digits is 8064, while the sum is 30.

The square root of 2223687 is about 1491.2032054687. The cubic root of 2223687 is about 130.5242537972.

The spelling of 2223687 in words is "two million, two hundred twenty-three thousand, six hundred eighty-seven".