224206245 has 32 divisors (see below), whose sum is σ = 408320640. Its totient is φ = 116657280.

The previous prime is 224206243. The next prime is 224206253. The reversal of 224206245 is 542602422.

It is a happy number.

It is not a de Polignac number, because 224206245 - 2¹ = 224206243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224206243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14719 + ... + 25788.

It is an arithmetic number, because the mean of its divisors is an integer number (12760020).

Almost surely, 2^224206245 is an apocalyptic number.

It is an amenable number.

224206245 is a deficient number, since it is larger than the sum of its proper divisors (184114395).

224206245 is a wasteful number, since it uses less digits than its factorization.

224206245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40562 (or 40556 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 224206245 is about 14973.5181236742. The cubic root of 224206245 is about 607.5041304398.

Adding to 224206245 its reverse (542602422), we get a palindrome (766808667).

The spelling of 224206245 in words is "two hundred twenty-four million, two hundred six thousand, two hundred forty-five".