16722522 has 12 divisors (see below), whose sum is σ = 36232170. Its totient is φ = 5574168.

The previous prime is 16722521. The next prime is 16722533. The reversal of 16722522 is 22522761.

It can be written as a sum of positive squares in only one way, i.e., 16719921 + 2601 = 4089^2 + 51^2 .

It is not an unprimeable number, because it can be changed into a prime (16722521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464497 + ... + 464532.

Almost surely, 2^16722522 is an apocalyptic number.

16722522 is an abundant number, since it is smaller than the sum of its proper divisors (19509648).

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

16722522 is a wasteful number, since it uses less digits than its factorization.

16722522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929037 (or 929034 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 16722522 is about 4089.3180360544. The cubic root of 16722522 is about 255.7215090824.

The spelling of 16722522 in words is "sixteen million, seven hundred twenty-two thousand, five hundred twenty-two".