222020021227 has 2 divisors, whose sum is σ = 222020021228. Its totient is φ = 222020021226.

The previous prime is 222020021207. The next prime is 222020021231. The reversal of 222020021227 is 722120020222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222020021227 - 2⁷ = 222020021099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222020021198 and 222020021207.

It is not a weakly prime, because it can be changed into another prime (222020021207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010010613 + 111010010614.

It is an arithmetic number, because the mean of its divisors is an integer number (111010010614).

Almost surely, 2^222020021227 is an apocalyptic number.

222020021227 is a deficient number, since it is larger than the sum of its proper divisors (1).

222020021227 is an equidigital number, since it uses as much as digits as its factorization.

222020021227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 22.

Adding to 222020021227 its reverse (722120020222), we get a palindrome (944140041449).

The spelling of 222020021227 in words is "two hundred twenty-two billion, twenty million, twenty-one thousand, two hundred twenty-seven".