1220220227 has 2 divisors, whose sum is σ = 1220220228. Its totient is φ = 1220220226.

The previous prime is 1220220193. The next prime is 1220220277. The reversal of 1220220227 is 7220220221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220220227 - 2⁸ = 1220219971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220220199 and 1220220208.

It is not a weakly prime, because it can be changed into another prime (1220220277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610110113 + 610110114.

It is an arithmetic number, because the mean of its divisors is an integer number (610110114).

Almost surely, 2^1220220227 is an apocalyptic number.

1220220227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220220227 is an equidigital number, since it uses as much as digits as its factorization.

1220220227 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 1220220227 is about 34931.6507912237. The cubic root of 1220220227 is about 1068.5940211158.

Adding to 1220220227 its reverse (7220220221), we get a palindrome (8440440448).

The spelling of 1220220227 in words is "one billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-seven".