2124440213 has 4 divisors (see below), whose sum is σ = 2427931680. Its totient is φ = 1820948748.

The previous prime is 2124440191. The next prime is 2124440239. The reversal of 2124440213 is 3120444212.

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 2124440213 - 2²² = 2120245909 is a prime.

It is a super-2 number, since 2×2124440213² = 9026492437222970738, which contains 22 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 (2124440243) 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, 151745723 + ... + 151745736.

It is an arithmetic number, because the mean of its divisors is an integer number (606982920).

Almost surely, 2^2124440213 is an apocalyptic number.

It is an amenable number.

2124440213 is a deficient number, since it is larger than the sum of its proper divisors (303491467).

2124440213 is an equidigital number, since it uses as much as digits as its factorization.

2124440213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303491466.

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

The square root of 2124440213 is about 46091.6501440337. The cubic root of 2124440213 is about 1285.5278936494.

Adding to 2124440213 its reverse (3120444212), we get a palindrome (5244884425).

The spelling of 2124440213 in words is "two billion, one hundred twenty-four million, four hundred forty thousand, two hundred thirteen".