2223345679 has 4 divisors (see below), whose sum is σ = 2224412080. Its totient is φ = 2222279280.

The previous prime is 2223345661. The next prime is 2223345689. The reversal of 2223345679 is 9765433222.

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 2223345679 - 2⁵ = 2223345647 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223345689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530067 + ... + 534244.

It is an arithmetic number, because the mean of its divisors is an integer number (556103020).

Almost surely, 2^2223345679 is an apocalyptic number.

2223345679 is a deficient number, since it is larger than the sum of its proper divisors (1066401).

2223345679 is a wasteful number, since it uses less digits than its factorization.

2223345679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066400.

The product of its digits is 544320, while the sum is 43.

The square root of 2223345679 is about 47152.3666320154. The cubic root of 2223345679 is about 1305.1757525705.

The spelling of 2223345679 in words is "two billion, two hundred twenty-three million, three hundred forty-five thousand, six hundred seventy-nine".