522774 has 40 divisors (see below), whose sum is σ = 1341648. Its totient is φ = 149040.

The previous prime is 522763. The next prime is 522787. The reversal of 522774 is 477225.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a nialpdrome in base 9 and base 14.

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 522774.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 904 + ... + 1364.

2⁵²²⁷⁷⁴ is an apocalyptic number.

522774 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 522774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670824).

522774 is an abundant number, since it is smaller than the sum of its proper divisors (818874).

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

522774 is a wasteful number, since it uses less digits than its factorization.

522774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 473 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 522774 is about 723.0311196622. The cubic root of 522774 is about 80.5572551542.

Adding to 522774 its reverse (477225), we get a palindrome (999999).

It can be divided in two parts, 522 and 774, that added together give a 4-th power (1296 = 6⁴).

The spelling of 522774 in words is "five hundred twenty-two thousand, seven hundred seventy-four".