16722322 has 8 divisors (see below), whose sum is σ = 26559036. Its totient is φ = 7869312.

The previous prime is 16722319. The next prime is 16722347. The reversal of 16722322 is 22322761.

It can be written as a sum of positive squares in 2 ways, for example, as 16719921 + 2401 = 4089^2 + 49^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245883 + ... + 245950.

Almost surely, 2^16722322 is an apocalyptic number.

16722322 is a deficient number, since it is larger than the sum of its proper divisors (9836714).

16722322 is a wasteful number, since it uses less digits than its factorization.

16722322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491852.

The product of its digits is 2016, while the sum is 25.

The square root of 16722322 is about 4089.2935820261. The cubic root of 16722322 is about 255.7204896089.

The spelling of 16722322 in words is "sixteen million, seven hundred twenty-two thousand, three hundred twenty-two".