522002271 has 16 divisors (see below), whose sum is σ = 795751424. Its totient is φ = 298167264.

The previous prime is 522002269. The next prime is 522002287. The reversal of 522002271 is 172200225.

It is a happy number.

It is not a de Polignac number, because 522002271 - 2¹ = 522002269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522002251) 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, 97845 + ... + 103041.

It is an arithmetic number, because the mean of its divisors is an integer number (49734464).

Almost surely, 2^522002271 is an apocalyptic number.

522002271 is a deficient number, since it is larger than the sum of its proper divisors (273749153).

522002271 is a wasteful number, since it uses less digits than its factorization.

522002271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9990.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 522002271 is about 22847.3690170225. The cubic root of 522002271 is about 805.1759557759.

Adding to 522002271 its reverse (172200225), we get a palindrome (694202496).

The spelling of 522002271 in words is "five hundred twenty-two million, two thousand, two hundred seventy-one".