222203221213 has 2 divisors, whose sum is σ = 222203221214. Its totient is φ = 222203221212.

The previous prime is 222203221199. The next prime is 222203221271. The reversal of 222203221213 is 312122302222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221175505849 + 1027715364 = 470293^2 + 32058^2 .

It is a cyclic number.

It is not a de Polignac number, because 222203221213 - 2¹⁷ = 222203090141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222203221313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111101610606 + 111101610607.

It is an arithmetic number, because the mean of its divisors is an integer number (111101610607).

Almost surely, 2^222203221213 is an apocalyptic number.

It is an amenable number.

222203221213 is a deficient number, since it is larger than the sum of its proper divisors (1).

222203221213 is an equidigital number, since it uses as much as digits as its factorization.

222203221213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 222203221213 its reverse (312122302222), we get a palindrome (534325523435).

The spelling of 222203221213 in words is "two hundred twenty-two billion, two hundred three million, two hundred twenty-one thousand, two hundred thirteen".