22475426647 has 2 divisors, whose sum is σ = 22475426648. Its totient is φ = 22475426646.

The previous prime is 22475426627. The next prime is 22475426669. The reversal of 22475426647 is 74662457422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22475426647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22475426647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22475426627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11237713323 + 11237713324.

It is an arithmetic number, because the mean of its divisors is an integer number (11237713324).

Almost surely, 2^22475426647 is an apocalyptic number.

22475426647 is a deficient number, since it is larger than the sum of its proper divisors (1).

22475426647 is an equidigital number, since it uses as much as digits as its factorization.

22475426647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4515840, while the sum is 49.

The spelling of 22475426647 in words is "twenty-two billion, four hundred seventy-five million, four hundred twenty-six thousand, six hundred forty-seven".