223322121389 has 2 divisors, whose sum is σ = 223322121390. Its totient is φ = 223322121388.

The previous prime is 223322121233. The next prime is 223322121433. The reversal of 223322121389 is 983121223322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217195145764 + 6126975625 = 466042^2 + 78275^2 .

It is a cyclic number.

It is not a de Polignac number, because 223322121389 - 2²⁰ = 223321072813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223322127389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111661060694 + 111661060695.

It is an arithmetic number, because the mean of its divisors is an integer number (111661060695).

Almost surely, 2^223322121389 is an apocalyptic number.

It is an amenable number.

223322121389 is a deficient number, since it is larger than the sum of its proper divisors (1).

223322121389 is an equidigital number, since it uses as much as digits as its factorization.

223322121389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The spelling of 223322121389 in words is "two hundred twenty-three billion, three hundred twenty-two million, one hundred twenty-one thousand, three hundred eighty-nine".