522225973 has 2 divisors, whose sum is σ = 522225974. Its totient is φ = 522225972.

The previous prime is 522225961. The next prime is 522225983. The reversal of 522225973 is 379522225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268206129 + 254019844 = 16377^2 + 15938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522225973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522225983) 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, 261112986 + 261112987.

It is an arithmetic number, because the mean of its divisors is an integer number (261112987).

Almost surely, 2^522225973 is an apocalyptic number.

It is an amenable number.

522225973 is a deficient number, since it is larger than the sum of its proper divisors (1).

522225973 is an equidigital number, since it uses as much as digits as its factorization.

522225973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 37.

The square root of 522225973 is about 22852.2640672648. The cubic root of 522225973 is about 805.2909576689.

The spelling of 522225973 in words is "five hundred twenty-two million, two hundred twenty-five thousand, nine hundred seventy-three".