2224121213 has 4 divisors (see below), whose sum is σ = 2257317120. Its totient is φ = 2190925308.

The previous prime is 2224121201. The next prime is 2224121231. The reversal of 2224121213 is 3121214222.

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 2224121213 - 2¹⁴ = 2224104829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2224121233) 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, 16597853 + ... + 16597986.

It is an arithmetic number, because the mean of its divisors is an integer number (564329280).

Almost surely, 2^2224121213 is an apocalyptic number.

It is an amenable number.

2224121213 is a deficient number, since it is larger than the sum of its proper divisors (33195907).

2224121213 is an equidigital number, since it uses as much as digits as its factorization.

2224121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33195906.

The product of its digits is 384, while the sum is 20.

The square root of 2224121213 is about 47160.5896167552. The cubic root of 2224121213 is about 1305.3274894347.

Adding to 2224121213 its reverse (3121214222), we get a palindrome (5345335435).

The spelling of 2224121213 in words is "two billion, two hundred twenty-four million, one hundred twenty-one thousand, two hundred thirteen".