22113220328989 has 2 divisors, whose sum is σ = 22113220328990. Its totient is φ = 22113220328988.

The previous prime is 22113220328951. The next prime is 22113220329001. The reversal of 22113220328989 is 98982302231122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12111548427225 + 10001671901764 = 3480165^2 + 3162542^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113220328989 - 2³⁹ = 21563464515101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22113220328929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056610164494 + 11056610164495.

It is an arithmetic number, because the mean of its divisors is an integer number (11056610164495).

Almost surely, 2^{22113220328989} is an apocalyptic number.

It is an amenable number.

22113220328989 is a deficient number, since it is larger than the sum of its proper divisors (1).

22113220328989 is an equidigital number, since it uses as much as digits as its factorization.

22113220328989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 22113220328989 in words is "twenty-two trillion, one hundred thirteen billion, two hundred twenty million, three hundred twenty-eight thousand, nine hundred eighty-nine".