224200066 has 4 divisors (see below), whose sum is σ = 336300102. Its totient is φ = 112100032.

The previous prime is 224200051. The next prime is 224200079. The reversal of 224200066 is 660002422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660002422 = 2 ⋅330001211.

It can be written as a sum of positive squares in only one way, i.e., 214769025 + 9431041 = 14655^2 + 3071^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050015 + ... + 56050018.

Almost surely, 2^224200066 is an apocalyptic number.

224200066 is a deficient number, since it is larger than the sum of its proper divisors (112100036).

224200066 is a wasteful number, since it uses less digits than its factorization.

224200066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112100035.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 224200066 is about 14973.3117913172. The cubic root of 224200066 is about 607.4985495627.

Adding to 224200066 its reverse (660002422), we get a palindrome (884202488).

The spelling of 224200066 in words is "two hundred twenty-four million, two hundred thousand, sixty-six".