16722365 has 16 divisors (see below), whose sum is σ = 22360320. Its totient is φ = 11901120.

The previous prime is 16722347. The next prime is 16722371. The reversal of 16722365 is 56322761.

It is not a de Polignac number, because 16722365 - 2²⁰ = 15673789 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 650 + ... + 5819.

It is an arithmetic number, because the mean of its divisors is an integer number (1397520).

Almost surely, 2^16722365 is an apocalyptic number.

It is an amenable number.

16722365 is a deficient number, since it is larger than the sum of its proper divisors (5637955).

16722365 is a wasteful number, since it uses less digits than its factorization.

16722365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6532.

The product of its digits is 15120, while the sum is 32.

The square root of 16722365 is about 4089.2988396545. The cubic root of 16722365 is about 255.7207087964.

The spelling of 16722365 in words is "sixteen million, seven hundred twenty-two thousand, three hundred sixty-five".