133533422 has 24 divisors (see below), whose sum is σ = 220803408. Its totient is φ = 60521120.

The previous prime is 133533383. The next prime is 133533427. The reversal of 133533422 is 224335331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 133533391 and 133533400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133533427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121178 + ... + 122274.

It is an arithmetic number, because the mean of its divisors is an integer number (9200142).

Almost surely, 2^133533422 is an apocalyptic number.

133533422 is a deficient number, since it is larger than the sum of its proper divisors (87269986).

133533422 is a wasteful number, since it uses less digits than its factorization.

133533422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624 (or 1613 counting only the distinct ones).

The product of its digits is 6480, while the sum is 26.

The square root of 133533422 is about 11555.6662291709. Note that the first 3 decimals coincide. The cubic root of 133533422 is about 511.1283769250.

Adding to 133533422 its reverse (224335331), we get a palindrome (357868753).

The spelling of 133533422 in words is "one hundred thirty-three million, five hundred thirty-three thousand, four hundred twenty-two".