2211223222013 has 8 divisors (see below), whose sum is σ = 2395407953400. Its totient is φ = 2041129125984.

The previous prime is 2211223222007. The next prime is 2211223222031. The reversal of 2211223222013 is 3102223221122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1048324111129 + 1162899110884 = 1023877^2 + 1078378^2 .

It is not a de Polignac number, because 2211223222013 - 2¹⁴ = 2211223205629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2211223222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211223222003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503234768 + ... + 503239161.

It is an arithmetic number, because the mean of its divisors is an integer number (299425994175).

Almost surely, 2^{2211223222013} is an apocalyptic number.

It is an amenable number.

2211223222013 is a deficient number, since it is larger than the sum of its proper divisors (184184731387).

2211223222013 is an equidigital number, since it uses as much as digits as its factorization.

2211223222013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006473968 (or 1006473942 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2211223222013 its reverse (3102223221122), we get a palindrome (5313446443135).

The spelling of 2211223222013 in words is "two trillion, two hundred eleven billion, two hundred twenty-three million, two hundred twenty-two thousand, thirteen".