22400144647 has 2 divisors, whose sum is σ = 22400144648. Its totient is φ = 22400144646.

The previous prime is 22400144633. The next prime is 22400144737. The reversal of 22400144647 is 74644100422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22400144647 - 2³¹ = 20252660999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22400174647) 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, 11200072323 + 11200072324.

It is an arithmetic number, because the mean of its divisors is an integer number (11200072324).

Almost surely, 2^22400144647 is an apocalyptic number.

22400144647 is a deficient number, since it is larger than the sum of its proper divisors (1).

22400144647 is an equidigital number, since it uses as much as digits as its factorization.

22400144647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 34.

The spelling of 22400144647 in words is "twenty-two billion, four hundred million, one hundred forty-four thousand, six hundred forty-seven".