522226501 has 2 divisors, whose sum is σ = 522226502. Its totient is φ = 522226500.

The previous prime is 522226487. The next prime is 522226567. The reversal of 522226501 is 105622225.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 519885601 + 2340900 = 22801^2 + 1530^2 .

It is a cyclic number.

It is not a de Polignac number, because 522226501 - 2⁵ = 522226469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522224501) 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, 261113250 + 261113251.

It is an arithmetic number, because the mean of its divisors is an integer number (261113251).

Almost surely, 2^522226501 is an apocalyptic number.

It is an amenable number.

522226501 is a deficient number, since it is larger than the sum of its proper divisors (1).

522226501 is an equidigital number, since it uses as much as digits as its factorization.

522226501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 522226501 is about 22852.2756197277. The cubic root of 522226501 is about 805.2912290671.

Adding to 522226501 its reverse (105622225), we get a palindrome (627848726).

The spelling of 522226501 in words is "five hundred twenty-two million, two hundred twenty-six thousand, five hundred one".