224552335199221 has 2 divisors, whose sum is σ = 224552335199222. Its totient is φ = 224552335199220.

The previous prime is 224552335199201. The next prime is 224552335199287. The reversal of 224552335199221 is 122991533255422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169519098002500 + 55033237196721 = 13019950^2 + 7418439^2 .

It is a cyclic number.

It is not a de Polignac number, because 224552335199221 - 2¹⁹ = 224552334674933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224552335199201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112276167599610 + 112276167599611.

It is an arithmetic number, because the mean of its divisors is an integer number (112276167599611).

Almost surely, 2^{224552335199221} is an apocalyptic number.

It is an amenable number.

224552335199221 is a deficient number, since it is larger than the sum of its proper divisors (1).

224552335199221 is an equidigital number, since it uses as much as digits as its factorization.

224552335199221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664000, while the sum is 55.

The spelling of 224552335199221 in words is "two hundred twenty-four trillion, five hundred fifty-two billion, three hundred thirty-five million, one hundred ninety-nine thousand, two hundred twenty-one".