2421224213 has 2 divisors, whose sum is σ = 2421224214. Its totient is φ = 2421224212.

The previous prime is 2421224189. The next prime is 2421224227. The reversal of 2421224213 is 3124221242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2303328049 + 117896164 = 47993^2 + 10858^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421224213 - 2¹² = 2421220117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421227213) 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 as a sum of consecutive naturals, namely, 1210612106 + 1210612107.

It is an arithmetic number, because the mean of its divisors is an integer number (1210612107).

Almost surely, 2^2421224213 is an apocalyptic number.

It is an amenable number.

2421224213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421224213 is an equidigital number, since it uses as much as digits as its factorization.

2421224213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 23.

The square root of 2421224213 is about 49205.9367658009. The cubic root of 2421224213 is about 1342.8010415778.

Adding to 2421224213 its reverse (3124221242), we get a palindrome (5545445455).

The spelling of 2421224213 in words is "two billion, four hundred twenty-one million, two hundred twenty-four thousand, two hundred thirteen".