16307226 has 48 divisors (see below), whose sum is σ = 38342304. Its totient is φ = 4979232.

The previous prime is 16307201. The next prime is 16307227. The reversal of 16307226 is 62270361.

It is a happy number.

16307226 is a `hidden beast` number, since 1 + 630 + 7 + 2 + 26 = 666.

16307226 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16307226.

It is not an unprimeable number, because it can be changed into a prime (16307227) 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, 52965 + ... + 53271.

It is an arithmetic number, because the mean of its divisors is an integer number (798798).

Almost surely, 2^16307226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16307226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19171152).

16307226 is an abundant number, since it is smaller than the sum of its proper divisors (22035078).

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

16307226 is a wasteful number, since it uses less digits than its factorization.

16307226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 16307226 is about 4038.2206477606. The cubic root of 16307226 is about 253.5868311253.

Adding to 16307226 its reverse (62270361), we get a palindrome (78577587).

The spelling of 16307226 in words is "sixteen million, three hundred seven thousand, two hundred twenty-six".