222001012213 has 8 divisors (see below), whose sum is σ = 224303276120. Its totient is φ = 219699025920.

The previous prime is 222001012201. The next prime is 222001012223. The reversal of 222001012213 is 312210100222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70693237924 + 151307774289 = 265882^2 + 388983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222001012213 - 2²⁵ = 221967457781 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 (222001012223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1796893 + ... + 1916461.

It is an arithmetic number, because the mean of its divisors is an integer number (28037909515).

Almost surely, 2^222001012213 is an apocalyptic number.

It is an amenable number.

222001012213 is a deficient number, since it is larger than the sum of its proper divisors (2302263907).

222001012213 is a wasteful number, since it uses less digits than its factorization.

222001012213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138807.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 222001012213 its reverse (312210100222), we get a palindrome (534211112435).

The spelling of 222001012213 in words is "two hundred twenty-two billion, one million, twelve thousand, two hundred thirteen".