133224234 has 128 divisors (see below), whose sum is σ = 336365568. Its totient is φ = 34594560.

The previous prime is 133224227. The next prime is 133224239. The reversal of 133224234 is 432422331.

It is not an unprimeable number, because it can be changed into a prime (133224239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 848484 + ... + 848640.

It is an arithmetic number, because the mean of its divisors is an integer number (2627856).

Almost surely, 2^133224234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133224234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168182784).

133224234 is an abundant number, since it is smaller than the sum of its proper divisors (203141334).

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

133224234 is a wasteful number, since it uses less digits than its factorization.

133224234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252.

The product of its digits is 3456, while the sum is 24.

The square root of 133224234 is about 11542.2802773109. The cubic root of 133224234 is about 510.7335771601.

Adding to 133224234 its reverse (432422331), we get a palindrome (565646565).

The spelling of 133224234 in words is "one hundred thirty-three million, two hundred twenty-four thousand, two hundred thirty-four".