222220031213 has 12 divisors (see below), whose sum is σ = 234047873280. Its totient is φ = 210920660496.

The previous prime is 222220031203. The next prime is 222220031219. The reversal of 222220031213 is 312130022222.

It is a happy number.

It is not a de Polignac number, because 222220031213 - 2⁶ = 222220031149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220031219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2189645 + ... + 2288882.

It is an arithmetic number, because the mean of its divisors is an integer number (19503989440).

Almost surely, 2^222220031213 is an apocalyptic number.

It is an amenable number.

222220031213 is a deficient number, since it is larger than the sum of its proper divisors (11827842067).

222220031213 is an equidigital number, since it uses as much as digits as its factorization.

222220031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478644 (or 4478615 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222220031213 its reverse (312130022222), we get a palindrome (534350053435).

The spelling of 222220031213 in words is "two hundred twenty-two billion, two hundred twenty million, thirty-one thousand, two hundred thirteen".