22214645647 has 2 divisors, whose sum is σ = 22214645648. Its totient is φ = 22214645646.

The previous prime is 22214645581. The next prime is 22214645689. The reversal of 22214645647 is 74654641222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22214645647 - 2¹¹ = 22214643599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22214645347) 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, 11107322823 + 11107322824.

It is an arithmetic number, because the mean of its divisors is an integer number (11107322824).

Almost surely, 2^22214645647 is an apocalyptic number.

22214645647 is a deficient number, since it is larger than the sum of its proper divisors (1).

22214645647 is an equidigital number, since it uses as much as digits as its factorization.

22214645647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 43.

The spelling of 22214645647 in words is "twenty-two billion, two hundred fourteen million, six hundred forty-five thousand, six hundred forty-seven".