2223719 has 4 divisors (see below), whose sum is σ = 2354544. Its totient is φ = 2092896.

The previous prime is 2223713. The next prime is 2223731. The reversal of 2223719 is 9173222.

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 2223719 - 2¹⁶ = 2158183 is a prime.

It is a super-2 number, since 2×2223719² = 9889852381922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223713) 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, 65387 + ... + 65420.

It is an arithmetic number, because the mean of its divisors is an integer number (588636).

2^2223719 is an apocalyptic number.

2223719 is a deficient number, since it is larger than the sum of its proper divisors (130825).

2223719 is a wasteful number, since it uses less digits than its factorization.

2223719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130824.

The product of its digits is 1512, while the sum is 26.

The square root of 2223719 is about 1491.2139350207. The cubic root of 2223719 is about 130.5248798979.

The spelling of 2223719 in words is "two million, two hundred twenty-three thousand, seven hundred nineteen".