221222402300047 has 2 divisors, whose sum is σ = 221222402300048. Its totient is φ = 221222402300046.

The previous prime is 221222402299999. The next prime is 221222402300089. The reversal of 221222402300047 is 740003204222122.

221222402300047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221222402300047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221222402299991 and 221222402300018.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221222402390047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110611201150023 + 110611201150024.

It is an arithmetic number, because the mean of its divisors is an integer number (110611201150024).

Almost surely, 2^{221222402300047} is an apocalyptic number.

221222402300047 is a deficient number, since it is larger than the sum of its proper divisors (1).

221222402300047 is an equidigital number, since it uses as much as digits as its factorization.

221222402300047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 31.

Adding to 221222402300047 its reverse (740003204222122), we get a palindrome (961225606522169).

The spelling of 221222402300047 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, four hundred two million, three hundred thousand, forty-seven".