222020122213 has 12 divisors (see below), whose sum is σ = 236860661700. Its totient is φ = 208063227392.

The previous prime is 222020122151. The next prime is 222020122231. The reversal of 222020122213 is 312221020222.

It can be written as a sum of positive squares in 6 ways, for example, as 3012033924 + 219008088289 = 54882^2 + 467983^2 .

It is a de Polignac number, because none of the positive numbers 2^k-222020122213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020122013) 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, 1581238 + ... + 1715911.

It is an arithmetic number, because the mean of its divisors is an integer number (19738388475).

Almost surely, 2^222020122213 is an apocalyptic number.

It is an amenable number.

222020122213 is a deficient number, since it is larger than the sum of its proper divisors (14840539487).

222020122213 is a wasteful number, since it uses less digits than its factorization.

222020122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297416 (or 3297399 counting only the distinct ones).

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

Adding to 222020122213 its reverse (312221020222), we get a palindrome (534241142435).

The spelling of 222020122213 in words is "two hundred twenty-two billion, twenty million, one hundred twenty-two thousand, two hundred thirteen".