1722416004 has 27 divisors (see below), whose sum is σ = 4354514437. Its totient is φ = 574055664.

The previous prime is 1722415993. The next prime is 1722416009. The reversal of 1722416004 is 4006142271.

The square root of 1722416004 is 41502.

It is a perfect power (a square), and thus also a powerful number.

1722416004 is a `hidden beast` number, since 17 + 2 + 2 + 41 + 600 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1114892100 + 607523904 = 33390^2 + 24648^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1722416009) 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 8 ways as a sum of consecutive naturals, for example, 245554 + ... + 252470.

Almost surely, 2^1722416004 is an apocalyptic number.

1722416004 is the 41502-nd square number.

It is an amenable number.

1722416004 is an abundant number, since it is smaller than the sum of its proper divisors (2632098433).

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

1722416004 is an frugal number, since it uses more digits than its factorization.

1722416004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13844 (or 6922 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The cubic root of 1722416004 is about 1198.7060135007.

Adding to 1722416004 its reverse (4006142271), we get a palindrome (5728558275).

The spelling of 1722416004 in words is "one billion, seven hundred twenty-two million, four hundred sixteen thousand, four".