22011222223 has 2 divisors, whose sum is σ = 22011222224. Its totient is φ = 22011222222.

The previous prime is 22011222197. The next prime is 22011222229. The reversal of 22011222223 is 32222211022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22011222223 - 2³³ = 13421287631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22011222223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011222229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005611111 + 11005611112.

It is an arithmetic number, because the mean of its divisors is an integer number (11005611112).

Almost surely, 2^22011222223 is an apocalyptic number.

22011222223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011222223 is an equidigital number, since it uses as much as digits as its factorization.

22011222223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22011222223 its reverse (32222211022), we get a palindrome (54233433245).

The spelling of 22011222223 in words is "twenty-two billion, eleven million, two hundred twenty-two thousand, two hundred twenty-three".