522520441 has 16 divisors (see below), whose sum is σ = 544864320. Its totient is φ = 500711680.

The previous prime is 522520429. The next prime is 522520451. The reversal of 522520441 is 144025225.

It is not a de Polignac number, because 522520441 - 2²⁷ = 388302713 is a prime.

It is a super-2 number, since 2×522520441² = 546055222525668962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522520451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792570 + ... + 793228.

It is an arithmetic number, because the mean of its divisors is an integer number (34054020).

Almost surely, 2^522520441 is an apocalyptic number.

It is an amenable number.

522520441 is a deficient number, since it is larger than the sum of its proper divisors (22343879).

522520441 is a wasteful number, since it uses less digits than its factorization.

522520441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 522520441 is about 22858.7060219952. The cubic root of 522520441 is about 805.4422892593.

Adding to 522520441 its reverse (144025225), we get a palindrome (666545666).

The spelling of 522520441 in words is "five hundred twenty-two million, five hundred twenty thousand, four hundred forty-one".