22111002223 has 4 divisors (see below), whose sum is σ = 22117159728. Its totient is φ = 22104844720.

The previous prime is 22111002197. The next prime is 22111002227. The reversal of 22111002223 is 32220011122.

It is a happy number.

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 22111002223 - 2²⁹ = 21574131311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22111002197 and 22111002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111002227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3073363 + ... + 3080548.

It is an arithmetic number, because the mean of its divisors is an integer number (5529289932).

Almost surely, 2^22111002223 is an apocalyptic number.

22111002223 is a deficient number, since it is larger than the sum of its proper divisors (6157505).

22111002223 is an equidigital number, since it uses as much as digits as its factorization.

22111002223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157504.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22111002223 its reverse (32220011122), we get a palindrome (54331013345).

The spelling of 22111002223 in words is "twenty-two billion, one hundred eleven million, two thousand, two hundred twenty-three".