2104222213 has 4 divisors (see below), whose sum is σ = 2155544748. Its totient is φ = 2052899680.

The previous prime is 2104222199. The next prime is 2104222231. The reversal of 2104222213 is 3122224012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1249127649 + 855094564 = 35343^2 + 29242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104222213 is a prime.

It is a super-2 number, since 2×2104222213² = 8855502243365234738, 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 (2104222273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25661206 + ... + 25661287.

It is an arithmetic number, because the mean of its divisors is an integer number (538886187).

Almost surely, 2^2104222213 is an apocalyptic number.

It is an amenable number.

2104222213 is a deficient number, since it is larger than the sum of its proper divisors (51322535).

2104222213 is an equidigital number, since it uses as much as digits as its factorization.

2104222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51322534.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2104222213 is about 45871.8019375738. The cubic root of 2104222213 is about 1281.4368250495.

Adding to 2104222213 its reverse (3122224012), we get a palindrome (5226446225).

The spelling of 2104222213 in words is "two billion, one hundred four million, two hundred twenty-two thousand, two hundred thirteen".