22420052647 has 4 divisors (see below), whose sum is σ = 22421608200. Its totient is φ = 22418497096.

The previous prime is 22420052623. The next prime is 22420052671. The reversal of 22420052647 is 74625002422.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22420052623) and next prime (22420052671).

It is a cyclic number.

It is not a de Polignac number, because 22420052647 - 2¹⁹ = 22419528359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22420052147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755953 + ... + 785050.

It is an arithmetic number, because the mean of its divisors is an integer number (5605402050).

Almost surely, 2^22420052647 is an apocalyptic number.

22420052647 is a deficient number, since it is larger than the sum of its proper divisors (1555553).

22420052647 is a wasteful number, since it uses less digits than its factorization.

22420052647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555552.

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 22420052647 in words is "twenty-two billion, four hundred twenty million, fifty-two thousand, six hundred forty-seven".