222242122423 has 4 divisors (see below), whose sum is σ = 222636869208. Its totient is φ = 221847375640.

The previous prime is 222242122387. The next prime is 222242122433. The reversal of 222242122423 is 324221242222.

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 222242122423 - 2³³ = 213652187831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222242122391 and 222242122400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222242122433) 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, 197372548 + ... + 197373673.

It is an arithmetic number, because the mean of its divisors is an integer number (55659217302).

Almost surely, 2^222242122423 is an apocalyptic number.

222242122423 is a deficient number, since it is larger than the sum of its proper divisors (394746785).

222242122423 is an equidigital number, since it uses as much as digits as its factorization.

222242122423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394746784.

The product of its digits is 12288, while the sum is 28.

Adding to 222242122423 its reverse (324221242222), we get a palindrome (546463364645).

The spelling of 222242122423 in words is "two hundred twenty-two billion, two hundred forty-two million, one hundred twenty-two thousand, four hundred twenty-three".