2223679 has 2 divisors, whose sum is σ = 2223680. Its totient is φ = 2223678.

The previous prime is 2223677. The next prime is 2223701. The reversal of 2223679 is 9763222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2223679 - 2¹ = 2223677 is a prime.

Together with 2223677, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2 + 2⁵ + 2¹⁹ + 3⁹ + 6⁸ + 7² + 9 .

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2223679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111839 + 1111840.

It is an arithmetic number, because the mean of its divisors is an integer number (1111840).

2^2223679 is an apocalyptic number.

2223679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223679 is an equidigital number, since it uses as much as digits as its factorization.

2223679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 2223679 is about 1491.2005230686. The cubic root of 2223679 is about 130.5240972710.

The spelling of 2223679 in words is "two million, two hundred twenty-three thousand, six hundred seventy-nine".