16602122 has 16 divisors (see below), whose sum is σ = 25757160. Its totient is φ = 8019648.

The previous prime is 16602119. The next prime is 16602133. The reversal of 16602122 is 22120661.

It is a happy number.

16602122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12313081 + 4289041 = 3509^2 + 2071^2 .

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 16602094 and 16602103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10904 + ... + 12332.

Almost surely, 2^16602122 is an apocalyptic number.

16602122 is a deficient number, since it is larger than the sum of its proper divisors (9155038).

16602122 is a wasteful number, since it uses less digits than its factorization.

16602122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 16602122 is about 4074.5701613790. The cubic root of 16602122 is about 255.1063096397.

Adding to 16602122 its reverse (22120661), we get a palindrome (38722783).

The spelling of 16602122 in words is "sixteen million, six hundred two thousand, one hundred twenty-two".