222023191811 has 2 divisors, whose sum is σ = 222023191812. Its totient is φ = 222023191810.

The previous prime is 222023191783. The next prime is 222023191813. The reversal of 222023191811 is 118191320222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222023191811 is a prime.

Together with 222023191813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222023191813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111011595905 + 111011595906.

It is an arithmetic number, because the mean of its divisors is an integer number (111011595906).

Almost surely, 2^222023191811 is an apocalyptic number.

222023191811 is a deficient number, since it is larger than the sum of its proper divisors (1).

222023191811 is an equidigital number, since it uses as much as digits as its factorization.

222023191811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 222023191811 in words is "two hundred twenty-two billion, twenty-three million, one hundred ninety-one thousand, eight hundred eleven".