2212204213 has 4 divisors (see below), whose sum is σ = 2235010540. Its totient is φ = 2189397888.

The previous prime is 2212204199. The next prime is 2212204217. The reversal of 2212204213 is 3124022122.

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 1008253009 + 1203951204 = 31753^2 + 34698^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212204213 - 2²¹ = 2210107061 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 (2212204217) 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, 11403018 + ... + 11403211.

It is an arithmetic number, because the mean of its divisors is an integer number (558752635).

Almost surely, 2^2212204213 is an apocalyptic number.

It is an amenable number.

2212204213 is a deficient number, since it is larger than the sum of its proper divisors (22806327).

2212204213 is an equidigital number, since it uses as much as digits as its factorization.

2212204213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22806326.

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

The square root of 2212204213 is about 47034.0750201383. The cubic root of 2212204213 is about 1302.9919672448.

Adding to 2212204213 its reverse (3124022122), we get a palindrome (5336226335).

The spelling of 2212204213 in words is "two billion, two hundred twelve million, two hundred four thousand, two hundred thirteen".