16226604 has 36 divisors (see below), whose sum is σ = 41146560. Its totient is φ = 5391840.

The previous prime is 16226599. The next prime is 16226621. The reversal of 16226604 is 40662261.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16774 + ... + 17714.

It is an arithmetic number, because the mean of its divisors is an integer number (1142960).

Almost surely, 2^16226604 is an apocalyptic number.

It is an amenable number.

16226604 is an abundant number, since it is smaller than the sum of its proper divisors (24919956).

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

16226604 is a wasteful number, since it uses less digits than its factorization.

16226604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430 (or 1425 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 16226604 is about 4028.2259122348. The cubic root of 16226604 is about 253.1682342246.

Adding to 16226604 its reverse (40662261), we get a palindrome (56888865).

The spelling of 16226604 in words is "sixteen million, two hundred twenty-six thousand, six hundred four".