224221250 has 80 divisors (see below), whose sum is σ = 479096640. Its totient is φ = 77880000.

The previous prime is 224221241. The next prime is 224221253. The reversal of 224221250 is 52122422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224221253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 315896 + ... + 316604.

It is an arithmetic number, because the mean of its divisors is an integer number (5988708).

Almost surely, 2^224221250 is an apocalyptic number.

224221250 is an abundant number, since it is smaller than the sum of its proper divisors (254875390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224221250 is a wasteful number, since it uses less digits than its factorization.

224221250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 224221250 is about 14974.0191665431. The cubic root of 224221250 is about 607.5176825395.

Adding to 224221250 its reverse (52122422), we get a palindrome (276343672).

The spelling of 224221250 in words is "two hundred twenty-four million, two hundred twenty-one thousand, two hundred fifty".