222211185827 has 2 divisors, whose sum is σ = 222211185828. Its totient is φ = 222211185826.

The previous prime is 222211185793. The next prime is 222211185829. The reversal of 222211185827 is 728581112222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222211185827 - 2⁸ = 222211185571 is a prime.

It is a super-2 number, since 2×222211185827² (a number of 23 digits) contains 22 as substring.

Together with 222211185829, 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 (222211185829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105592913 + 111105592914.

It is an arithmetic number, because the mean of its divisors is an integer number (111105592914).

Almost surely, 2^222211185827 is an apocalyptic number.

222211185827 is a deficient number, since it is larger than the sum of its proper divisors (1).

222211185827 is an equidigital number, since it uses as much as digits as its factorization.

222211185827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71680, while the sum is 41.

The spelling of 222211185827 in words is "two hundred twenty-two billion, two hundred eleven million, one hundred eighty-five thousand, eight hundred twenty-seven".