223401476221489 has 2 divisors, whose sum is σ = 223401476221490. Its totient is φ = 223401476221488.

The previous prime is 223401476221453. The next prime is 223401476221597. The reversal of 223401476221489 is 984122674104322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219864097674225 + 3537378547264 = 14827815^2 + 1880792^2 .

It is a cyclic number.

It is not a de Polignac number, because 223401476221489 - 2¹⁷ = 223401476090417 is a prime.

It is not a weakly prime, because it can be changed into another prime (223401476221439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111700738110744 + 111700738110745.

It is an arithmetic number, because the mean of its divisors is an integer number (111700738110745).

Almost surely, 2^{223401476221489} is an apocalyptic number.

It is an amenable number.

223401476221489 is a deficient number, since it is larger than the sum of its proper divisors (1).

223401476221489 is an equidigital number, since it uses as much as digits as its factorization.

223401476221489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 223401476221489 in words is "two hundred twenty-three trillion, four hundred one billion, four hundred seventy-six million, two hundred twenty-one thousand, four hundred eighty-nine".