224004212 has 12 divisors (see below), whose sum is σ = 392282436. Its totient is φ = 111923520.

The previous prime is 224004211. The next prime is 224004241. The reversal of 224004212 is 212400422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27836176 + 196168036 = 5276^2 + 14006^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224004211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12983 + ... + 24830.

It is an arithmetic number, because the mean of its divisors is an integer number (32690203).

Almost surely, 2^224004212 is an apocalyptic number.

It is an amenable number.

224004212 is a deficient number, since it is larger than the sum of its proper divisors (168278224).

224004212 is a wasteful number, since it uses less digits than its factorization.

224004212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39298 (or 39296 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 224004212 is about 14966.7702594782. The cubic root of 224004212 is about 607.3216009324.

Adding to 224004212 its reverse (212400422), we get a palindrome (436404634).

The spelling of 224004212 in words is "two hundred twenty-four million, four thousand, two hundred twelve".