1226447133719 has 2 divisors, whose sum is σ = 1226447133720. Its totient is φ = 1226447133718.

The previous prime is 1226447133647. The next prime is 1226447133727. The reversal of 1226447133719 is 9173317446221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1226447133719 - 2⁸ = 1226447133463 is a prime.

It is a super-2 number, since 2×1226447133719² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226447133419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613223566859 + 613223566860.

It is an arithmetic number, because the mean of its divisors is an integer number (613223566860).

Almost surely, 2^{1226447133719} is an apocalyptic number.

1226447133719 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226447133719 is an equidigital number, since it uses as much as digits as its factorization.

1226447133719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 50.

The spelling of 1226447133719 in words is "one trillion, two hundred twenty-six billion, four hundred forty-seven million, one hundred thirty-three thousand, seven hundred nineteen".