522225947 has 2 divisors, whose sum is σ = 522225948. Its totient is φ = 522225946.

The previous prime is 522225937. The next prime is 522225959. The reversal of 522225947 is 749522225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 522225947 - 2¹⁶ = 522160411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 522225947.

It is not a weakly prime, because it can be changed into another prime (522225917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261112973 + 261112974.

It is an arithmetic number, because the mean of its divisors is an integer number (261112974).

Almost surely, 2^522225947 is an apocalyptic number.

522225947 is a deficient number, since it is larger than the sum of its proper divisors (1).

522225947 is an equidigital number, since it uses as much as digits as its factorization.

522225947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 38.

The square root of 522225947 is about 22852.2634983933. The cubic root of 522225947 is about 805.2909443046.

The spelling of 522225947 in words is "five hundred twenty-two million, two hundred twenty-five thousand, nine hundred forty-seven".