522256241 has 4 divisors (see below), whose sum is σ = 562429812. Its totient is φ = 482082672.

The previous prime is 522256187. The next prime is 522256243. The reversal of 522256241 is 142652225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123854641 + 398401600 = 11129^2 + 19960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522256241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522256243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20086766 + ... + 20086791.

It is an arithmetic number, because the mean of its divisors is an integer number (140607453).

Almost surely, 2^522256241 is an apocalyptic number.

It is an amenable number.

522256241 is a deficient number, since it is larger than the sum of its proper divisors (40173571).

522256241 is a wasteful number, since it uses less digits than its factorization.

522256241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40173570.

The product of its digits is 9600, while the sum is 29.

The square root of 522256241 is about 22852.9263115252. The cubic root of 522256241 is about 805.3065154779.

The spelling of 522256241 in words is "five hundred twenty-two million, two hundred fifty-six thousand, two hundred forty-one".