222220133423 has 4 divisors (see below), whose sum is σ = 222479434320. Its totient is φ = 221960832528.

The previous prime is 222220133417. The next prime is 222220133497. The reversal of 222220133423 is 324331022222.

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 222220133423 - 2⁴ = 222220133407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222220133392 and 222220133401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220133323) 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, 129649163 + ... + 129650876.

It is an arithmetic number, because the mean of its divisors is an integer number (55619858580).

Almost surely, 2^222220133423 is an apocalyptic number.

222220133423 is a deficient number, since it is larger than the sum of its proper divisors (259300897).

222220133423 is an equidigital number, since it uses as much as digits as its factorization.

222220133423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259300896.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 222220133423 its reverse (324331022222), we get a palindrome (546551155645).

The spelling of 222220133423 in words is "two hundred twenty-two billion, two hundred twenty million, one hundred thirty-three thousand, four hundred twenty-three".