224212013 has 2 divisors, whose sum is σ = 224212014. Its totient is φ = 224212012.

The previous prime is 224212007. The next prime is 224212049. The reversal of 224212013 is 310212422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153685609 + 70526404 = 12397^2 + 8398^2 .

It is a cyclic number.

It is not a de Polignac number, because 224212013 - 2¹⁰ = 224210989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 224211982 and 224212000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224212003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112106006 + 112106007.

It is an arithmetic number, because the mean of its divisors is an integer number (112106007).

Almost surely, 2^224212013 is an apocalyptic number.

It is an amenable number.

224212013 is a deficient number, since it is larger than the sum of its proper divisors (1).

224212013 is an equidigital number, since it uses as much as digits as its factorization.

224212013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 224212013 is about 14973.7107291413. The cubic root of 224212013 is about 607.5093400089.

Adding to 224212013 its reverse (310212422), we get a palindrome (534424435).

The spelling of 224212013 in words is "two hundred twenty-four million, two hundred twelve thousand, thirteen".