222212212223 has 4 divisors (see below), whose sum is σ = 226940131680. Its totient is φ = 217484292768.

The previous prime is 222212212193. The next prime is 222212212283. The reversal of 222212212223 is 322212212222.

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 222212212223 - 2¹⁶ = 222212146687 is a prime.

It is a super-2 number, since 2×222212212223² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222212212283) 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, 2363959658 + ... + 2363959751.

It is an arithmetic number, because the mean of its divisors is an integer number (56735032920).

Almost surely, 2^222212212223 is an apocalyptic number.

222212212223 is a deficient number, since it is larger than the sum of its proper divisors (4727919457).

222212212223 is an equidigital number, since it uses as much as digits as its factorization.

222212212223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727919456.

The product of its digits is 1536, while the sum is 23.

Adding to 222212212223 its reverse (322212212222), we get a palindrome (544424424445).

Subtracting 222212212223 from its reverse (322212212222), we obtain a palindrome (99999999999).

The spelling of 222212212223 in words is "two hundred twenty-two billion, two hundred twelve million, two hundred twelve thousand, two hundred twenty-three".