10221404647 has 2 divisors, whose sum is σ = 10221404648. Its totient is φ = 10221404646.

The previous prime is 10221404621. The next prime is 10221404657. The reversal of 10221404647 is 74640412201.

10221404647 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 not a de Polignac number, because 10221404647 - 2²³ = 10213016039 is a prime.

It is a super-2 number, since 2×10221404647² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221404617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110702323 + 5110702324.

It is an arithmetic number, because the mean of its divisors is an integer number (5110702324).

Almost surely, 2^10221404647 is an apocalyptic number.

10221404647 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221404647 is an equidigital number, since it uses as much as digits as its factorization.

10221404647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 10221404647 its reverse (74640412201), we get a palindrome (84861816848).

The spelling of 10221404647 in words is "ten billion, two hundred twenty-one million, four hundred four thousand, six hundred forty-seven".