1220422520227 has 2 divisors, whose sum is σ = 1220422520228. Its totient is φ = 1220422520226.

The previous prime is 1220422520197. The next prime is 1220422520231. The reversal of 1220422520227 is 7220252240221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220422520227 - 2¹⁹ = 1220421995939 is a prime.

It is a super-2 number, since 2×1220422520227² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1220422520267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610211260113 + 610211260114.

It is an arithmetic number, because the mean of its divisors is an integer number (610211260114).

Almost surely, 2^{1220422520227} is an apocalyptic number.

1220422520227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220422520227 is an equidigital number, since it uses as much as digits as its factorization.

1220422520227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 31.

Adding to 1220422520227 its reverse (7220252240221), we get a palindrome (8440674760448).

The spelling of 1220422520227 in words is "one trillion, two hundred twenty billion, four hundred twenty-two million, five hundred twenty thousand, two hundred twenty-seven".