1684222212269 has 8 divisors (see below), whose sum is σ = 1715030970720. Its totient is φ = 1653488874576.

The previous prime is 1684222212259. The next prime is 1684222212271. The reversal of 1684222212269 is 9622122224861.

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 1684222212269 - 2²⁰ = 1684221163693 is a prime.

It is a super-2 number, since 2×1684222212269² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684222212259) 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, 18810119 + ... + 18899444.

It is an arithmetic number, because the mean of its divisors is an integer number (214378871340).

Almost surely, 2^{1684222212269} is an apocalyptic number.

It is an amenable number.

1684222212269 is a deficient number, since it is larger than the sum of its proper divisors (30808758451).

1684222212269 is an equidigital number, since it uses as much as digits as its factorization.

1684222212269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37710379.

The product of its digits is 663552, while the sum is 47.

The spelling of 1684222212269 in words is "one trillion, six hundred eighty-four billion, two hundred twenty-two million, two hundred twelve thousand, two hundred sixty-nine".