220221012252223 has 2 divisors, whose sum is σ = 220221012252224. Its totient is φ = 220221012252222.

The previous prime is 220221012252221. The next prime is 220221012252229. The reversal of 220221012252223 is 322252210122022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220221012252223 - 2¹ = 220221012252221 is a prime.

Together with 220221012252221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 220221012252191 and 220221012252200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220221012252221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110506126111 + 110110506126112.

It is an arithmetic number, because the mean of its divisors is an integer number (110110506126112).

Almost surely, 2^{220221012252223} is an apocalyptic number.

220221012252223 is a deficient number, since it is larger than the sum of its proper divisors (1).

220221012252223 is an equidigital number, since it uses as much as digits as its factorization.

220221012252223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 220221012252223 its reverse (322252210122022), we get a palindrome (542473222374245).

The spelling of 220221012252223 in words is "two hundred twenty trillion, two hundred twenty-one billion, twelve million, two hundred fifty-two thousand, two hundred twenty-three".