2124224213 has 4 divisors (see below), whose sum is σ = 2155929120. Its totient is φ = 2092519308.

The previous prime is 2124224203. The next prime is 2124224231. The reversal of 2124224213 is 3124224212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2124224213 - 2⁴ = 2124224197 is a prime.

It is a super-4 number, since 4×2124224213⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124224203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15852353 + ... + 15852486.

It is an arithmetic number, because the mean of its divisors is an integer number (538982280).

Almost surely, 2^2124224213 is an apocalyptic number.

It is an amenable number.

2124224213 is a deficient number, since it is larger than the sum of its proper divisors (31704907).

2124224213 is an equidigital number, since it uses as much as digits as its factorization.

2124224213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31704906.

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

The square root of 2124224213 is about 46089.3069268784. The cubic root of 2124224213 is about 1285.4843239857.

Adding to 2124224213 its reverse (3124224212), we get a palindrome (5248448425).

Subtracting 2124224213 from its reverse (3124224212), we obtain a palindrome (999999999).

The spelling of 2124224213 in words is "two billion, one hundred twenty-four million, two hundred twenty-four thousand, two hundred thirteen".