133522200 has 144 divisors (see below), whose sum is σ = 512519280. Its totient is φ = 30516480.

The previous prime is 133522163. The next prime is 133522201. The reversal of 133522200 is 2225331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133522201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7302 + ... + 17898.

Almost surely, 2^133522200 is an apocalyptic number.

133522200 is a gapful number since it is divisible by the number (10) 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 133522200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256259640).

133522200 is an abundant number, since it is smaller than the sum of its proper divisors (378997080).

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

133522200 is a wasteful number, since it uses less digits than its factorization.

133522200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10626 (or 10614 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 133522200 is about 11555.1806563117. The cubic root of 133522200 is about 511.1140583041.

Adding to 133522200 its reverse (2225331), we get a palindrome (135747531).

The spelling of 133522200 in words is "one hundred thirty-three million, five hundred twenty-two thousand, two hundred".