522270 has 48 divisors (see below), whose sum is σ = 1553760. Its totient is φ = 119232.

The previous prime is 522259. The next prime is 522281. The reversal of 522270 is 72225.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (522259) and next prime (522281).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 522270.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (32370).

2⁵²²²⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776880).

522270 is an abundant number, since it is smaller than the sum of its proper divisors (1031490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522270 is a wasteful number, since it uses less digits than its factorization.

522270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 522270 is about 722.6825029015. The cubic root of 522270 is about 80.5313587431.

Adding to 522270 its reverse (72225), we get a palindrome (594495).

The spelling of 522270 in words is "five hundred twenty-two thousand, two hundred seventy".