66227384 has 16 divisors (see below), whose sum is σ = 125071800. Its totient is φ = 32874912.

The previous prime is 66227383. The next prime is 66227401. The reversal of 66227384 is 48372266.

66227384 = 2027² + 2028² + ... + 2042².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66227383) 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, 28667 + ... + 30890.

Almost surely, 2^66227384 is an apocalyptic number.

It is an amenable number.

66227384 is a deficient number, since it is larger than the sum of its proper divisors (58844416).

66227384 is a wasteful number, since it uses less digits than its factorization.

66227384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59702 (or 59698 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 66227384 is about 8138.0208896267. The cubic root of 66227384 is about 404.5875677452.

The spelling of 66227384 in words is "sixty-six million, two hundred twenty-seven thousand, three hundred eighty-four".