1722127996 has 24 divisors (see below), whose sum is σ = 3218221440. Its totient is φ = 804552000.

The previous prime is 1722127991. The next prime is 1722127997. The reversal of 1722127996 is 6997212271.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1722127991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235855 + ... + 243046.

It is an arithmetic number, because the mean of its divisors is an integer number (134092560).

Almost surely, 2^1722127996 is an apocalyptic number.

It is an amenable number.

1722127996 is a deficient number, since it is larger than the sum of its proper divisors (1496093444).

1722127996 is a wasteful number, since it uses less digits than its factorization.

1722127996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478965 (or 478963 counting only the distinct ones).

The product of its digits is 190512, while the sum is 46.

The square root of 1722127996 is about 41498.5300462559. The cubic root of 1722127996 is about 1198.6391972447.

The spelling of 1722127996 in words is "one billion, seven hundred twenty-two million, one hundred twenty-seven thousand, nine hundred ninety-six".