133234224 has 20 divisors (see below), whose sum is σ = 344188536. Its totient is φ = 44411392.

The previous prime is 133234223. The next prime is 133234247. The reversal of 133234224 is 422432331.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 133234194 and 133234203.

It is not an unprimeable number, because it can be changed into a prime (133234223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387809 + ... + 1387904.

Almost surely, 2^133234224 is an apocalyptic number.

It is an amenable number.

133234224 is an abundant number, since it is smaller than the sum of its proper divisors (210954312).

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

133234224 is a wasteful number, since it uses less digits than its factorization.

133234224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775724 (or 2775718 counting only the distinct ones).

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

The square root of 133234224 is about 11542.7130259744. The cubic root of 133234224 is about 510.7463428578.

Adding to 133234224 its reverse (422432331), we get a palindrome (555666555).

The spelling of 133234224 in words is "one hundred thirty-three million, two hundred thirty-four thousand, two hundred twenty-four".