522221741 has 2 divisors, whose sum is σ = 522221742. Its totient is φ = 522221740.

The previous prime is 522221723. The next prime is 522221761. The reversal of 522221741 is 147122225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377524900 + 144696841 = 19430^2 + 12029^2 .

It is a cyclic number.

It is not a de Polignac number, because 522221741 - 2⁶ = 522221677 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 522221741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522221761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261110870 + 261110871.

It is an arithmetic number, because the mean of its divisors is an integer number (261110871).

Almost surely, 2^522221741 is an apocalyptic number.

It is an amenable number.

522221741 is a deficient number, since it is larger than the sum of its proper divisors (1).

522221741 is an equidigital number, since it uses as much as digits as its factorization.

522221741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 26.

The square root of 522221741 is about 22852.1714723131. The cubic root of 522221741 is about 805.2887823651.

Adding to 522221741 its reverse (147122225), we get a palindrome (669343966).

The spelling of 522221741 in words is "five hundred twenty-two million, two hundred twenty-one thousand, seven hundred forty-one".