2223868 has 6 divisors (see below), whose sum is σ = 3891776. Its totient is φ = 1111932.

The previous prime is 2223857. The next prime is 2223869. The reversal of 2223868 is 8683222.

2223868 is nontrivially palindromic in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277980 + ... + 277987.

2^2223868 is an apocalyptic number.

It is an amenable number.

2223868 is a deficient number, since it is larger than the sum of its proper divisors (1667908).

2223868 is a wasteful number, since it uses less digits than its factorization.

2223868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555971 (or 555969 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 2223868 is about 1491.2638934810. The cubic root of 2223868 is about 130.5277951003.

The spelling of 2223868 in words is "two million, two hundred twenty-three thousand, eight hundred sixty-eight".