201122232 has 64 divisors (see below), whose sum is σ = 518827680. Its totient is φ = 64922112.

The previous prime is 201122183. The next prime is 201122237. The reversal of 201122232 is 232221102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122237) 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 15 ways as a sum of consecutive naturals, for example, 259798 + ... + 260570.

Almost surely, 2^201122232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201122232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259413840).

201122232 is an abundant number, since it is smaller than the sum of its proper divisors (317705448).

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

201122232 is a wasteful number, since it uses less digits than its factorization.

201122232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 201122232 is about 14181.7570138541. The cubic root of 201122232 is about 585.8953169092.

Adding to 201122232 its reverse (232221102), we get a palindrome (433343334).

The spelling of 201122232 in words is "two hundred one million, one hundred twenty-two thousand, two hundred thirty-two".