2223319 has 4 divisors (see below), whose sum is σ = 2540944. Its totient is φ = 1905696.

The previous prime is 2223317. The next prime is 2223329. The reversal of 2223319 is 9133222.

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 2223319 - 2¹ = 2223317 is a prime.

It is a super-2 number, since 2×2223319² = 9886294751522, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2223319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223317) 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, 158802 + ... + 158815.

It is an arithmetic number, because the mean of its divisors is an integer number (635236).

2^2223319 is an apocalyptic number.

2223319 is a deficient number, since it is larger than the sum of its proper divisors (317625).

2223319 is an equidigital number, since it uses as much as digits as its factorization.

2223319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317624.

The product of its digits is 648, while the sum is 22.

The square root of 2223319 is about 1491.0798100705. The cubic root of 2223319 is about 130.5170532071.

Subtracting 2223319 from its reverse (9133222), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 2223319 in words is "two million, two hundred twenty-three thousand, three hundred nineteen".