522243234 has 64 divisors (see below), whose sum is σ = 1254729600. Its totient is φ = 160449984.

The previous prime is 522243217. The next prime is 522243259. The reversal of 522243234 is 432342225.

It is a happy number.

522243234 is a `hidden beast` number, since 5 + 222 + 432 + 3 + 4 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 522243198 and 522243207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31084 + ... + 44840.

It is an arithmetic number, because the mean of its divisors is an integer number (19605150).

Almost surely, 2^522243234 is an apocalyptic number.

522243234 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 522243234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627364800).

522243234 is an abundant number, since it is smaller than the sum of its proper divisors (732486366).

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

522243234 is a wasteful number, since it uses less digits than its factorization.

522243234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13824 (or 13818 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 522243234 is about 22852.6417291306. The cubic root of 522243234 is about 805.2998299291.

Adding to 522243234 its reverse (432342225), we get a palindrome (954585459).

The spelling of 522243234 in words is "five hundred twenty-two million, two hundred forty-three thousand, two hundred thirty-four".