222563448647 has 2 divisors, whose sum is σ = 222563448648. Its totient is φ = 222563448646.

The previous prime is 222563448637. The next prime is 222563448649. The reversal of 222563448647 is 746844365222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222563448647 - 2⁴ = 222563448631 is a prime.

It is a super-2 number, since 2×222563448647² (a number of 23 digits) contains 22 as substring.

Together with 222563448649, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222563448649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111281724323 + 111281724324.

It is an arithmetic number, because the mean of its divisors is an integer number (111281724324).

Almost surely, 2^222563448647 is an apocalyptic number.

222563448647 is a deficient number, since it is larger than the sum of its proper divisors (1).

222563448647 is an equidigital number, since it uses as much as digits as its factorization.

222563448647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15482880, while the sum is 53.

The spelling of 222563448647 in words is "two hundred twenty-two billion, five hundred sixty-three million, four hundred forty-eight thousand, six hundred forty-seven".