223280021089 has 2 divisors, whose sum is σ = 223280021090. Its totient is φ = 223280021088.

The previous prime is 223280021071. The next prime is 223280021191. The reversal of 223280021089 is 980120082322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222611281489 + 668739600 = 471817^2 + 25860^2 .

It is a cyclic number.

It is not a de Polignac number, because 223280021089 - 2²³ = 223271632481 is a prime.

It is a super-3 number, since 3×223280021089³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223280021389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111640010544 + 111640010545.

It is an arithmetic number, because the mean of its divisors is an integer number (111640010545).

Almost surely, 2^223280021089 is an apocalyptic number.

It is an amenable number.

223280021089 is a deficient number, since it is larger than the sum of its proper divisors (1).

223280021089 is an equidigital number, since it uses as much as digits as its factorization.

223280021089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 223280021089 in words is "two hundred twenty-three billion, two hundred eighty million, twenty-one thousand, eighty-nine".