201522732 has 12 divisors (see below), whose sum is σ = 470219736. Its totient is φ = 67174240.

The previous prime is 201522719. The next prime is 201522751. The reversal of 201522732 is 237225102.

It is a happy number.

201522732 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×201522732² = 81222823025487648, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 8396769 + ... + 8396792.

It is an arithmetic number, because the mean of its divisors is an integer number (39184978).

Almost surely, 2^201522732 is an apocalyptic number.

It is an amenable number.

201522732 is an abundant number, since it is smaller than the sum of its proper divisors (268697004).

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

201522732 is a wasteful number, since it uses less digits than its factorization.

201522732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16793568 (or 16793566 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 201522732 is about 14195.8702445465. The cubic root of 201522732 is about 586.2839619776.

Adding to 201522732 its reverse (237225102), we get a palindrome (438747834).

The spelling of 201522732 in words is "two hundred one million, five hundred twenty-two thousand, seven hundred thirty-two".