16722715444 has 24 divisors (see below), whose sum is σ = 29430567936. Its totient is φ = 8314020000.

The previous prime is 16722715403. The next prime is 16722715447. The reversal of 16722715444 is 44451722761.

It is a super-2 number, since 2×16722715444² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16722715444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16722715447) 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, 3375169 + ... + 3380119.

It is an arithmetic number, because the mean of its divisors is an integer number (1226273664).

Almost surely, 2^16722715444 is an apocalyptic number.

It is an amenable number.

16722715444 is a deficient number, since it is larger than the sum of its proper divisors (12707852492).

16722715444 is a wasteful number, since it uses less digits than its factorization.

16722715444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9567 (or 9565 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The spelling of 16722715444 in words is "sixteen billion, seven hundred twenty-two million, seven hundred fifteen thousand, four hundred forty-four".