16253226 has 96 divisors (see below), whose sum is σ = 41513472. Its totient is φ = 4546080.

The previous prime is 16253213. The next prime is 16253233. The reversal of 16253226 is 62235261.

16253226 is a `hidden beast` number, since 1 + 625 + 32 + 2 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16253226.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195781 + ... + 195863.

It is an arithmetic number, because the mean of its divisors is an integer number (432432).

Almost surely, 2^16253226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16253226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20756736).

16253226 is an abundant number, since it is smaller than the sum of its proper divisors (25260246).

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

16253226 is a wasteful number, since it uses less digits than its factorization.

16253226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 165 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 16253226 is about 4031.5289903460. The cubic root of 16253226 is about 253.3066111395.

Adding to 16253226 its reverse (62235261), we get a palindrome (78488487).

It can be divided in two parts, 1625 and 3226, that added together give a triangular number (4851 = T₉₈).

The spelling of 16253226 in words is "sixteen million, two hundred fifty-three thousand, two hundred twenty-six".