22232222223 has 8 divisors (see below), whose sum is σ = 30202264368. Its totient is φ = 14541830784.

The previous prime is 22232222149. The next prime is 22232222251. The reversal of 22232222223 is 32222223222.

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

It is not a de Polignac number, because 22232222223 - 2⁸ = 22232221967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22232222193 and 22232222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22232222123) 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, 69912490 + ... + 69912807.

It is an arithmetic number, because the mean of its divisors is an integer number (3775283046).

Almost surely, 2^22232222223 is an apocalyptic number.

22232222223 is a deficient number, since it is larger than the sum of its proper divisors (7970042145).

22232222223 is a wasteful number, since it uses less digits than its factorization.

22232222223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139825353.

The product of its digits is 4608, while the sum is 24.

Adding to 22232222223 its reverse (32222223222), we get a palindrome (54454445445).

Subtracting 22232222223 from its reverse (32222223222), we obtain a palindrome (9990000999).

The spelling of 22232222223 in words is "twenty-two billion, two hundred thirty-two million, two hundred twenty-two thousand, two hundred twenty-three".