16226518 has 16 divisors (see below), whose sum is σ = 30345984. Its totient is φ = 6321960.

The previous prime is 16226501. The next prime is 16226519. The reversal of 16226518 is 81562261.

It is a self number, because there is not a number n which added to its sum of digits gives 16226518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16226519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52530 + ... + 52837.

It is an arithmetic number, because the mean of its divisors is an integer number (1896624).

Almost surely, 2^16226518 is an apocalyptic number.

16226518 is a deficient number, since it is larger than the sum of its proper divisors (14119466).

16226518 is a wasteful number, since it uses less digits than its factorization.

16226518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105387.

The product of its digits is 5760, while the sum is 31.

The square root of 16226518 is about 4028.2152375463. The cubic root of 16226518 is about 253.1677869651.

Adding to 16226518 its reverse (81562261), we get a palindrome (97788779).

The spelling of 16226518 in words is "sixteen million, two hundred twenty-six thousand, five hundred eighteen".