223221032989 has 2 divisors, whose sum is σ = 223221032990. Its totient is φ = 223221032988.

The previous prime is 223221032963. The next prime is 223221033023. The reversal of 223221032989 is 989230122322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223015340025 + 205692964 = 472245^2 + 14342^2 .

It is a cyclic number.

It is not a de Polignac number, because 223221032989 - 2³⁷ = 85782079517 is a prime.

It is a super-3 number, since 3×223221032989³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223221032939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111610516494 + 111610516495.

It is an arithmetic number, because the mean of its divisors is an integer number (111610516495).

Almost surely, 2^223221032989 is an apocalyptic number.

It is an amenable number.

223221032989 is a deficient number, since it is larger than the sum of its proper divisors (1).

223221032989 is an equidigital number, since it uses as much as digits as its factorization.

223221032989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 223221032989 in words is "two hundred twenty-three billion, two hundred twenty-one million, thirty-two thousand, nine hundred eighty-nine".