1372221615227 has 2 divisors, whose sum is σ = 1372221615228. Its totient is φ = 1372221615226.

The previous prime is 1372221615217. The next prime is 1372221615287. The reversal of 1372221615227 is 7225161222731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1372221615227 - 2¹⁶ = 1372221549691 is a prime.

It is a super-2 number, since 2×1372221615227² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1372221615217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686110807613 + 686110807614.

It is an arithmetic number, because the mean of its divisors is an integer number (686110807614).

Almost surely, 2^{1372221615227} is an apocalyptic number.

1372221615227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372221615227 is an equidigital number, since it uses as much as digits as its factorization.

1372221615227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

Adding to 1372221615227 its reverse (7225161222731), we get a palindrome (8597382837958).

The spelling of 1372221615227 in words is "one trillion, three hundred seventy-two billion, two hundred twenty-one million, six hundred fifteen thousand, two hundred twenty-seven".