16634226 has 48 divisors (see below), whose sum is σ = 40055040. Its totient is φ = 4586400.

The previous prime is 16634213. The next prime is 16634227. The reversal of 16634226 is 62243661.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16634193 and 16634202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16634227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7551 + ... + 9501.

It is an arithmetic number, because the mean of its divisors is an integer number (834480).

Almost surely, 2^16634226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16634226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20027520).

16634226 is an abundant number, since it is smaller than the sum of its proper divisors (23420814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16634226 is a wasteful number, since it uses less digits than its factorization.

16634226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999 (or 1992 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 16634226 is about 4078.5078153658. The cubic root of 16634226 is about 255.2706392275.

Adding to 16634226 its reverse (62243661), we get a palindrome (78877887).

The spelling of 16634226 in words is "sixteen million, six hundred thirty-four thousand, two hundred twenty-six".