222311844243 has 32 divisors (see below), whose sum is σ = 336449805120. Its totient is φ = 145038055680.

The previous prime is 222311844241. The next prime is 222311844259. The reversal of 222311844243 is 342448113222.

222311844243 is a `hidden beast` number, since 2 + 2 + 231 + 184 + 4 + 243 = 666.

It is not a de Polignac number, because 222311844243 - 2¹ = 222311844241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222311844198 and 222311844207.

It is not an unprimeable number, because it can be changed into a prime (222311844241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18130 + ... + 667047.

It is an arithmetic number, because the mean of its divisors is an integer number (10514056410).

Almost surely, 2^222311844243 is an apocalyptic number.

222311844243 is a deficient number, since it is larger than the sum of its proper divisors (114137960877).

222311844243 is a wasteful number, since it uses less digits than its factorization.

222311844243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685444 (or 685438 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

Adding to 222311844243 its reverse (342448113222), we get a palindrome (564759957465).

The spelling of 222311844243 in words is "two hundred twenty-two billion, three hundred eleven million, eight hundred forty-four thousand, two hundred forty-three".