223321220029 has 2 divisors, whose sum is σ = 223321220030. Its totient is φ = 223321220028.

The previous prime is 223321220011. The next prime is 223321220039. The reversal of 223321220029 is 920022123322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117767707929 + 105553512100 = 343173^2 + 324890^2 .

It is a cyclic number.

It is not a de Polignac number, because 223321220029 - 2⁵ = 223321219997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223321219979 and 223321220006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223321220039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111660610014 + 111660610015.

It is an arithmetic number, because the mean of its divisors is an integer number (111660610015).

Almost surely, 2^223321220029 is an apocalyptic number.

It is an amenable number.

223321220029 is a deficient number, since it is larger than the sum of its proper divisors (1).

223321220029 is an equidigital number, since it uses as much as digits as its factorization.

223321220029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 223321220029 in words is "two hundred twenty-three billion, three hundred twenty-one million, two hundred twenty thousand, twenty-nine".