522032472 has 256 divisors, whose sum is σ = 1669248000. Its totient is φ = 149935104.

The previous prime is 522032453. The next prime is 522032473. The reversal of 522032472 is 274230225.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522032473) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3810388 + ... + 3810524.

It is an arithmetic number, because the mean of its divisors is an integer number (6520500).

Almost surely, 2^522032472 is an apocalyptic number.

522032472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522032472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834624000).

522032472 is an abundant number, since it is smaller than the sum of its proper divisors (1147215528).

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

522032472 is a wasteful number, since it uses less digits than its factorization.

522032472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 522032472 is about 22848.0299369552. The cubic root of 522032472 is about 805.1914835820.

Adding to 522032472 its reverse (274230225), we get a palindrome (796262697).

The spelling of 522032472 in words is "five hundred twenty-two million, thirty-two thousand, four hundred seventy-two".