224520212 has 24 divisors (see below), whose sum is σ = 454728960. Its totient is φ = 95004000.

The previous prime is 224520209. The next prime is 224520217. The reversal of 224520212 is 212025422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224520217) 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, 48539 + ... + 52962.

It is an arithmetic number, because the mean of its divisors is an integer number (18947040).

Almost surely, 2^224520212 is an apocalyptic number.

It is an amenable number.

224520212 is an abundant number, since it is smaller than the sum of its proper divisors (230208748).

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

224520212 is a wasteful number, since it uses less digits than its factorization.

224520212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101591 (or 101589 counting only the distinct ones).

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

The square root of 224520212 is about 14983.9985317671. The cubic root of 224520212 is about 607.7875707845.

Adding to 224520212 its reverse (212025422), we get a palindrome (436545634).

The spelling of 224520212 in words is "two hundred twenty-four million, five hundred twenty thousand, two hundred twelve".