222321243243 has 16 divisors (see below), whose sum is σ = 334527264000. Its totient is φ = 130093934880.

The previous prime is 222321243241. The next prime is 222321243251. The reversal of 222321243243 is 342342123222.

It is not a de Polignac number, because 222321243243 - 2¹ = 222321243241 is a prime.

It is a super-2 number, since 2×222321243243² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222321243243.

It is not an unprimeable number, because it can be changed into a prime (222321243241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116154343 + ... + 116156256.

It is an arithmetic number, because the mean of its divisors is an integer number (20907954000).

Almost surely, 2^222321243243 is an apocalyptic number.

222321243243 is a deficient number, since it is larger than the sum of its proper divisors (112206020757).

222321243243 is a wasteful number, since it uses less digits than its factorization.

222321243243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232310642.

The product of its digits is 27648, while the sum is 30.

Adding to 222321243243 its reverse (342342123222), we get a palindrome (564663366465).

It can be divided in two parts, 222321 and 243243, that added together give a palindrome (465564).

The spelling of 222321243243 in words is "two hundred twenty-two billion, three hundred twenty-one million, two hundred forty-three thousand, two hundred forty-three".