201132522 has 12 divisors (see below), whose sum is σ = 435787170. Its totient is φ = 67044168.

The previous prime is 201132521. The next prime is 201132523. The reversal of 201132522 is 225231102.

It is an interprime number because it is at equal distance from previous prime (201132521) and next prime (201132523).

It can be written as a sum of positive squares in only one way, i.e., 200250801 + 881721 = 14151^2 + 939^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11174029 = 201132522 / (2 + 0 + 1 + 1 + 3 + 2 + 5 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 201132495 and 201132504.

It is not an unprimeable number, because it can be changed into a prime (201132521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5586997 + ... + 5587032.

Almost surely, 2^201132522 is an apocalyptic number.

201132522 is an abundant number, since it is smaller than the sum of its proper divisors (234654648).

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

201132522 is a wasteful number, since it uses less digits than its factorization.

201132522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11174037 (or 11174034 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 201132522 is about 14182.1197992402. The cubic root of 201132522 is about 585.9053087765.

Adding to 201132522 its reverse (225231102), we get a palindrome (426363624).

The spelling of 201132522 in words is "two hundred one million, one hundred thirty-two thousand, five hundred twenty-two".