1226438302409 has 8 divisors (see below), whose sum is σ = 1230441164160. Its totient is φ = 1222435821600.

The previous prime is 1226438302399. The next prime is 1226438302417. The reversal of 1226438302409 is 9042038346221.

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 1226438302409 - 2⁴ = 1226438302393 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 1226438302409.

It is not an unprimeable number, because it can be changed into a prime (1226438302429) 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, 7284044 + ... + 7450514.

It is an arithmetic number, because the mean of its divisors is an integer number (153805145520).

Almost surely, 2^{1226438302409} is an apocalyptic number.

It is an amenable number.

1226438302409 is a deficient number, since it is larger than the sum of its proper divisors (4002861751).

1226438302409 is a wasteful number, since it uses less digits than its factorization.

1226438302409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190471.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 1226438302409 in words is "one trillion, two hundred twenty-six billion, four hundred thirty-eight million, three hundred two thousand, four hundred nine".