133202244 has 48 divisors (see below), whose sum is σ = 357209216. Its totient is φ = 37843200.

The previous prime is 133202227. The next prime is 133202287. The reversal of 133202244 is 442202331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 133202244.

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 15 ways as a sum of consecutive naturals, for example, 10824 + ... + 19584.

Almost surely, 2^133202244 is an apocalyptic number.

133202244 is a gapful number since it is divisible by the number (14) 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 133202244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178604608).

133202244 is an abundant number, since it is smaller than the sum of its proper divisors (224006972).

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

133202244 is a wasteful number, since it uses less digits than its factorization.

133202244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8956 (or 8954 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 133202244 is about 11541.3276532642. The cubic root of 133202244 is about 510.7054750423.

Adding to 133202244 its reverse (442202331), we get a palindrome (575404575).

The spelling of 133202244 in words is "one hundred thirty-three million, two hundred two thousand, two hundred forty-four".