22113223 has 8 divisors (see below), whose sum is σ = 24685056. Its totient is φ = 19635000.

The previous prime is 22113191. The next prime is 22113229. The reversal of 22113223 is 32231122.

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

It is not a de Polignac number, because 22113223 - 2⁵ = 22113191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22113197 and 22113206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113229) 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, 22903 + ... + 23848.

It is an arithmetic number, because the mean of its divisors is an integer number (3085632).

Almost surely, 2^22113223 is an apocalyptic number.

22113223 is a deficient number, since it is larger than the sum of its proper divisors (2571833).

22113223 is a wasteful number, since it uses less digits than its factorization.

22113223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46805.

The product of its digits is 144, while the sum is 16.

The square root of 22113223 is about 4702.4698829445. The cubic root of 22113223 is about 280.6838006390.

Adding to 22113223 its reverse (32231122), we get a palindrome (54344345).

The spelling of 22113223 in words is "twenty-two million, one hundred thirteen thousand, two hundred twenty-three".