1222617311227 has 4 divisors (see below), whose sum is σ = 1316664796720. Its totient is φ = 1128569825736.

The previous prime is 1222617311221. The next prime is 1222617311297. The reversal of 1222617311227 is 7221137162221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222617311227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222617311221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47023742727 + ... + 47023742752.

It is an arithmetic number, because the mean of its divisors is an integer number (329166199180).

Almost surely, 2^{1222617311227} is an apocalyptic number.

1222617311227 is a deficient number, since it is larger than the sum of its proper divisors (94047485493).

1222617311227 is an equidigital number, since it uses as much as digits as its factorization.

1222617311227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94047485492.

The product of its digits is 28224, while the sum is 37.

The spelling of 1222617311227 in words is "one trillion, two hundred twenty-two billion, six hundred seventeen million, three hundred eleven thousand, two hundred twenty-seven".