22818223 has 8 divisors (see below), whose sum is σ = 23207040. Its totient is φ = 22432800.

The previous prime is 22818179. The next prime is 22818227. The reversal of 22818223 is 32281822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22818223 - 2¹³ = 22810031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22818191 and 22818200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22818227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15138 + ... + 16576.

It is an arithmetic number, because the mean of its divisors is an integer number (2900880).

Almost surely, 2^22818223 is an apocalyptic number.

22818223 is a deficient number, since it is larger than the sum of its proper divisors (388817).

22818223 is a wasteful number, since it uses less digits than its factorization.

22818223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697.

The product of its digits is 3072, while the sum is 28.

The square root of 22818223 is about 4776.8423670873. The cubic root of 22818223 is about 283.6355132071.

The spelling of 22818223 in words is "twenty-two million, eight hundred eighteen thousand, two hundred twenty-three".