11232222013 has 2 divisors, whose sum is σ = 11232222014. Its totient is φ = 11232222012.

The previous prime is 11232221999. The next prime is 11232222049. The reversal of 11232222013 is 31022223211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11005478649 + 226743364 = 104907^2 + 15058^2 .

It is a cyclic number.

It is not a de Polignac number, because 11232222013 - 2⁵ = 11232221981 is a prime.

It is a super-2 number, since 2×11232222013² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11232229013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5616111006 + 5616111007.

It is an arithmetic number, because the mean of its divisors is an integer number (5616111007).

Almost surely, 2^11232222013 is an apocalyptic number.

It is an amenable number.

11232222013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11232222013 is an equidigital number, since it uses as much as digits as its factorization.

11232222013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11232222013 its reverse (31022223211), we get a palindrome (42254445224).

The spelling of 11232222013 in words is "eleven billion, two hundred thirty-two million, two hundred twenty-two thousand, thirteen".