66227044 has 27 divisors (see below), whose sum is σ = 125900523. Its totient is φ = 30468672.

The previous prime is 66227017. The next prime is 66227047. The reversal of 66227044 is 44072266.

The square root of 66227044 is 8138.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 52388644 + 13838400 = 7238^2 + 3720^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66226997 and 66227015.

It is not an unprimeable number, because it can be changed into a prime (66227047) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 211432 + ... + 211744.

Almost surely, 2^66227044 is an apocalyptic number.

66227044 is the 8138-th square number.

It is an amenable number.

66227044 is a deficient number, since it is larger than the sum of its proper divisors (59673479).

66227044 is a wasteful number, since it uses less digits than its factorization.

66227044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The cubic root of 66227044 is about 404.5868753830.

The spelling of 66227044 in words is "sixty-six million, two hundred twenty-seven thousand, forty-four".