66224234 has 16 divisors (see below), whose sum is σ = 104734080. Its totient is φ = 31318560.

The previous prime is 66224209. The next prime is 66224237. The reversal of 66224234 is 43242266.

It is a junction number, because it is equal to n+sod(n) for n = 66224197 and 66224206.

It is not an unprimeable number, because it can be changed into a prime (66224237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33662 + ... + 35574.

It is an arithmetic number, because the mean of its divisors is an integer number (6545880).

Almost surely, 2^66224234 is an apocalyptic number.

66224234 is a deficient number, since it is larger than the sum of its proper divisors (38509846).

66224234 is a wasteful number, since it uses less digits than its factorization.

66224234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845.

The product of its digits is 13824, while the sum is 29.

The square root of 66224234 is about 8137.8273513266. The cubic root of 66224234 is about 404.5811531225.

The spelling of 66224234 in words is "sixty-six million, two hundred twenty-four thousand, two hundred thirty-four".