229351222883221 has 2 divisors, whose sum is σ = 229351222883222. Its totient is φ = 229351222883220.

The previous prime is 229351222883201. The next prime is 229351222883257. The reversal of 229351222883221 is 122388222153922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207605275688196 + 21745947195025 = 14408514^2 + 4663255^2 .

It is a cyclic number.

It is not a de Polignac number, because 229351222883221 - 2⁹ = 229351222882709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229351222883201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114675611441610 + 114675611441611.

It is an arithmetic number, because the mean of its divisors is an integer number (114675611441611).

Almost surely, 2^{229351222883221} is an apocalyptic number.

It is an amenable number.

229351222883221 is a deficient number, since it is larger than the sum of its proper divisors (1).

229351222883221 is an equidigital number, since it uses as much as digits as its factorization.

229351222883221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3317760, while the sum is 52.

The spelling of 229351222883221 in words is "two hundred twenty-nine trillion, three hundred fifty-one billion, two hundred twenty-two million, eight hundred eighty-three thousand, two hundred twenty-one".