222011223220231 has 2 divisors, whose sum is σ = 222011223220232. Its totient is φ = 222011223220230.

The previous prime is 222011223220187. The next prime is 222011223220333. The reversal of 222011223220231 is 132022322110222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222011223220231 - 2¹⁵ = 222011223187463 is a prime.

It is a super-2 number, since 2×222011223220231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222011223220196 and 222011223220205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222011223220531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111005611610115 + 111005611610116.

It is an arithmetic number, because the mean of its divisors is an integer number (111005611610116).

Almost surely, 2^{222011223220231} is an apocalyptic number.

222011223220231 is a deficient number, since it is larger than the sum of its proper divisors (1).

222011223220231 is an equidigital number, since it uses as much as digits as its factorization.

222011223220231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 222011223220231 its reverse (132022322110222), we get a palindrome (354033545330453).

The spelling of 222011223220231 in words is "two hundred twenty-two trillion, eleven billion, two hundred twenty-three million, two hundred twenty thousand, two hundred thirty-one".