16535222 has 16 divisors (see below), whose sum is σ = 27518400. Its totient is φ = 7388040.

The previous prime is 16535219. The next prime is 16535257. The reversal of 16535222 is 22253561.

It is a junction number, because it is equal to n+sod(n) for n = 16535191 and 16535200.

It is a congruent number.

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, 5072 + ... + 7667.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 2^16535222 is an apocalyptic number.

16535222 is a deficient number, since it is larger than the sum of its proper divisors (10983178).

16535222 is a wasteful number, since it uses less digits than its factorization.

16535222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12811.

The product of its digits is 3600, while the sum is 26.

The square root of 16535222 is about 4066.3524195524. The cubic root of 16535222 is about 254.7631890941.

Adding to 16535222 its reverse (22253561), we get a palindrome (38788783).

The spelling of 16535222 in words is "sixteen million, five hundred thirty-five thousand, two hundred twenty-two".