16226633 has 4 divisors (see below), whose sum is σ = 16282308. Its totient is φ = 16170960.

The previous prime is 16226621. The next prime is 16226677. The reversal of 16226633 is 33662261.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15429184 + 797449 = 3928^2 + 893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16226633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16226596 and 16226605.

It is not an unprimeable number, because it can be changed into a prime (16226333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27398 + ... + 27983.

It is an arithmetic number, because the mean of its divisors is an integer number (4070577).

Almost surely, 2^16226633 is an apocalyptic number.

It is an amenable number.

16226633 is a deficient number, since it is larger than the sum of its proper divisors (55675).

16226633 is an equidigital number, since it uses as much as digits as its factorization.

16226633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55674.

The product of its digits is 7776, while the sum is 29.

The square root of 16226633 is about 4028.2295118327. The cubic root of 16226633 is about 253.1683850443.

Adding to 16226633 its reverse (33662261), we get a palindrome (49888894).

The spelling of 16226633 in words is "sixteen million, two hundred twenty-six thousand, six hundred thirty-three".