66226804 has 12 divisors (see below), whose sum is σ = 132453664. Its totient is φ = 28382904.

The previous prime is 66226801. The next prime is 66226813. The reversal of 66226804 is 40862266.

66226804 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 66226804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66226801) 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, 1182594 + ... + 1182649.

Almost surely, 2^66226804 is an apocalyptic number.

It is an amenable number.

66226804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66226804 is a wasteful number, since it uses less digits than its factorization.

66226804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365254 (or 2365252 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 66226804 is about 8137.9852543489. The cubic root of 66226804 is about 404.5863866553.

The spelling of 66226804 in words is "sixty-six million, two hundred twenty-six thousand, eight hundred four".