222243242231 has 4 divisors (see below), whose sum is σ = 233940255000. Its totient is φ = 210546229464.

The previous prime is 222243242191. The next prime is 222243242267. The reversal of 222243242231 is 132242342222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222243242231 is a prime.

It is a super-2 number, since 2×222243242231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222243242194 and 222243242203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222243242131) 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, 5848506356 + ... + 5848506393.

It is an arithmetic number, because the mean of its divisors is an integer number (58485063750).

Almost surely, 2^222243242231 is an apocalyptic number.

222243242231 is a deficient number, since it is larger than the sum of its proper divisors (11697012769).

222243242231 is a wasteful number, since it uses less digits than its factorization.

222243242231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11697012768.

The product of its digits is 18432, while the sum is 29.

Adding to 222243242231 its reverse (132242342222), we get a palindrome (354485584453).

Subtracting from 222243242231 its reverse (132242342222), we obtain a palindrome (90000900009).

The spelling of 222243242231 in words is "two hundred twenty-two billion, two hundred forty-three million, two hundred forty-two thousand, two hundred thirty-one".