133422344 has 48 divisors (see below), whose sum is σ = 276467100. Its totient is φ = 60318720.

The previous prime is 133422343. The next prime is 133422353. The reversal of 133422344 is 443224331.

It can be written as a sum of positive squares in 2 ways, for example, as 131377444 + 2044900 = 11462^2 + 1430^2 .

It is not an unprimeable number, because it can be changed into a prime (133422343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326012 + ... + 326420.

Almost surely, 2^133422344 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 133422344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138233550).

133422344 is an abundant number, since it is smaller than the sum of its proper divisors (143044756).

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

133422344 is a wasteful number, since it uses less digits than its factorization.

133422344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 759 counting only the distinct ones).

The product of its digits is 6912, while the sum is 26.

The square root of 133422344 is about 11550.8590156750. The cubic root of 133422344 is about 510.9866124967.

Adding to 133422344 its reverse (443224331), we get a palindrome (576646675).

The spelling of 133422344 in words is "one hundred thirty-three million, four hundred twenty-two thousand, three hundred forty-four".