1226447133659 has 8 divisors (see below), whose sum is σ = 1384078270320. Its totient is φ = 1076505320800.

The previous prime is 1226447133647. The next prime is 1226447133719. The reversal of 1226447133659 is 9563317446221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1226447133659 - 2¹² = 1226447129563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1226447133659.

It is not an unprimeable number, because it can be changed into a prime (1226447133259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1922330612 + ... + 1922331249.

It is an arithmetic number, because the mean of its divisors is an integer number (173009783790).

Almost surely, 2^{1226447133659} is an apocalyptic number.

1226447133659 is a deficient number, since it is larger than the sum of its proper divisors (157631136661).

1226447133659 is a wasteful number, since it uses less digits than its factorization.

1226447133659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844661901.

The product of its digits is 6531840, while the sum is 53.

The spelling of 1226447133659 in words is "one trillion, two hundred twenty-six billion, four hundred forty-seven million, one hundred thirty-three thousand, six hundred fifty-nine".