1722324228912 has 480 divisors, whose sum is σ = 6038303523840. Its totient is φ = 460333670400.

The previous prime is 1722324228907. The next prime is 1722324228959. The reversal of 1722324228912 is 2198224232271.

1722324228912 is a `hidden beast` number, since 17 + 2 + 2 + 324 + 228 + 91 + 2 = 666.

It is a super-3 number, since 3×1722324228912³ (a number of 38 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 145941412 + ... + 145953212.

It is an arithmetic number, because the mean of its divisors is an integer number (12579799008).

Almost surely, 2^{1722324228912} is an apocalyptic number.

1722324228912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1722324228912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3019151761920).

1722324228912 is an abundant number, since it is smaller than the sum of its proper divisors (4315979294928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1722324228912 is a wasteful number, since it uses less digits than its factorization.

1722324228912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12026 (or 11997 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The spelling of 1722324228912 in words is "one trillion, seven hundred twenty-two billion, three hundred twenty-four million, two hundred twenty-eight thousand, nine hundred twelve".