2223391 has 2 divisors, whose sum is σ = 2223392. Its totient is φ = 2223390.

The previous prime is 2223383. The next prime is 2223407. The reversal of 2223391 is 1933222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2223391 - 2³ = 2223383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223371) 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 as a sum of consecutive naturals, namely, 1111695 + 1111696.

It is an arithmetic number, because the mean of its divisors is an integer number (1111696).

2^2223391 is an apocalyptic number.

2223391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223391 is an equidigital number, since it uses as much as digits as its factorization.

2223391 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2223391 is about 1491.1039534519. The cubic root of 2223391 is about 130.5184620807.

The spelling of 2223391 in words is "two million, two hundred twenty-three thousand, three hundred ninety-one".