1312022227 has 2 divisors, whose sum is σ = 1312022228. Its totient is φ = 1312022226.

The previous prime is 1312022203. The next prime is 1312022233. The reversal of 1312022227 is 7222202131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312022227 - 2²³ = 1303633619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312022198 and 1312022207.

It is not a weakly prime, because it can be changed into another prime (1312022027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656011113 + 656011114.

It is an arithmetic number, because the mean of its divisors is an integer number (656011114).

Almost surely, 2^1312022227 is an apocalyptic number.

1312022227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312022227 is an equidigital number, since it uses as much as digits as its factorization.

1312022227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1312022227 is about 36221.8473714415. The cubic root of 1312022227 is about 1094.7469170392.

Adding to 1312022227 its reverse (7222202131), we get a palindrome (8534224358).

The spelling of 1312022227 in words is "one billion, three hundred twelve million, twenty-two thousand, two hundred twenty-seven".