133433226 has 12 divisors (see below), whose sum is σ = 289105362. Its totient is φ = 44477736.

The previous prime is 133433213. The next prime is 133433227. The reversal of 133433226 is 622334331.

It is a happy number.

133433226 is a `hidden beast` number, since 1 + 3 + 3 + 433 + 226 = 666.

It can be written as a sum of positive squares in only one way, i.e., 122877225 + 10556001 = 11085^2 + 3249^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133433226.

It is not an unprimeable number, because it can be changed into a prime (133433227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3706461 + ... + 3706496.

Almost surely, 2^133433226 is an apocalyptic number.

133433226 is an abundant number, since it is smaller than the sum of its proper divisors (155672136).

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

133433226 is a wasteful number, since it uses less digits than its factorization.

133433226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7412965 (or 7412962 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 133433226 is about 11551.3300532882. The cubic root of 133433226 is about 511.0005042357. Note that the first 3 decimals are identical.

Adding to 133433226 its reverse (622334331), we get a palindrome (755767557).

The spelling of 133433226 in words is "one hundred thirty-three million, four hundred thirty-three thousand, two hundred twenty-six".