522448817 has 4 divisors (see below), whose sum is σ = 569944176. Its totient is φ = 474953460.

The previous prime is 522448813. The next prime is 522448831. The reversal of 522448817 is 718844225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 522448817 - 2² = 522448813 is a prime.

It is a super-4 number, since 4×522448817⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522448813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23747663 + ... + 23747684.

It is an arithmetic number, because the mean of its divisors is an integer number (142486044).

Almost surely, 2^522448817 is an apocalyptic number.

It is an amenable number.

522448817 is a deficient number, since it is larger than the sum of its proper divisors (47495359).

522448817 is a wasteful number, since it uses less digits than its factorization.

522448817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47495358.

The product of its digits is 143360, while the sum is 41.

The square root of 522448817 is about 22857.1393004462. The cubic root of 522448817 is about 805.4054858285.

The spelling of 522448817 in words is "five hundred twenty-two million, four hundred forty-eight thousand, eight hundred seventeen".