16226635 has 4 divisors (see below), whose sum is σ = 19471968. Its totient is φ = 12981304.

The previous prime is 16226621. The next prime is 16226677. The reversal of 16226635 is 53662261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16226635 - 2¹⁵ = 16193867 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16226597 and 16226606.

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, 1622659 + ... + 1622668.

It is an arithmetic number, because the mean of its divisors is an integer number (4867992).

Almost surely, 2^16226635 is an apocalyptic number.

16226635 is a deficient number, since it is larger than the sum of its proper divisors (3245333).

16226635 is an equidigital number, since it uses as much as digits as its factorization.

16226635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245332.

The product of its digits is 12960, while the sum is 31.

The square root of 16226635 is about 4028.2297600807. The cubic root of 16226635 is about 253.1683954457.

Adding to 16226635 its reverse (53662261), we get a palindrome (69888896).

It can be divided in two parts, 16226 and 635, that added together give a palindrome (16861).

The spelling of 16226635 in words is "sixteen million, two hundred twenty-six thousand, six hundred thirty-five".