22123002032213 has 4 divisors (see below), whose sum is σ = 22123110522828. Its totient is φ = 22122893541600.

The previous prime is 22123002032177. The next prime is 22123002032269. The reversal of 22123002032213 is 31223020032122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21777136893604 + 345865138609 = 4666598^2 + 588103^2 .

It is a cyclic number.

It is not a de Polignac number, because 22123002032213 - 2²² = 22122997837909 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 (22123002052213) 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 3 ways as a sum of consecutive naturals, for example, 53938856 + ... + 54347457.

It is an arithmetic number, because the mean of its divisors is an integer number (5530777630707).

Almost surely, 2^{22123002032213} is an apocalyptic number.

It is an amenable number.

22123002032213 is a deficient number, since it is larger than the sum of its proper divisors (108490615).

22123002032213 is a wasteful number, since it uses less digits than its factorization.

22123002032213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108490614.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22123002032213 its reverse (31223020032122), we get a palindrome (53346022064335).

The spelling of 22123002032213 in words is "twenty-two trillion, one hundred twenty-three billion, two million, thirty-two thousand, two hundred thirteen".