2221020227 has 2 divisors, whose sum is σ = 2221020228. Its totient is φ = 2221020226.

The previous prime is 2221020161. The next prime is 2221020229. The reversal of 2221020227 is 7220201222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221020227 - 2²⁰ = 2219971651 is a prime.

Together with 2221020229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221020199 and 2221020208.

It is not a weakly prime, because it can be changed into another prime (2221020229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110510113 + 1110510114.

It is an arithmetic number, because the mean of its divisors is an integer number (1110510114).

Almost surely, 2^2221020227 is an apocalyptic number.

2221020227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221020227 is an equidigital number, since it uses as much as digits as its factorization.

2221020227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 2221020227 is about 47127.7012700598. The cubic root of 2221020227 is about 1304.7205553456.

Adding to 2221020227 its reverse (7220201222), we get a palindrome (9441221449).

The spelling of 2221020227 in words is "two billion, two hundred twenty-one million, twenty thousand, two hundred twenty-seven".