522201672 has 24 divisors (see below), whose sum is σ = 1414296390. Its totient is φ = 174067200.

The previous prime is 522201649. The next prime is 522201709. The reversal of 522201672 is 276102225.

It can be written as a sum of positive squares in only one way, i.e., 493106436 + 29095236 = 22206^2 + 5394^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3626329 + ... + 3626472.

Almost surely, 2^522201672 is an apocalyptic number.

It is an amenable number.

522201672 is an abundant number, since it is smaller than the sum of its proper divisors (892094718).

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

522201672 is a wasteful number, since it uses less digits than its factorization.

522201672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7252813 (or 7252806 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 522201672 is about 22851.7323632148. The cubic root of 522201672 is about 805.2784664741.

Adding to 522201672 its reverse (276102225), we get a palindrome (798303897).

The spelling of 522201672 in words is "five hundred twenty-two million, two hundred one thousand, six hundred seventy-two".