133552422 has 16 divisors (see below), whose sum is σ = 296783280. Its totient is φ = 44517456.

The previous prime is 133552381. The next prime is 133552429. The reversal of 133552422 is 224255331.

It is a happy number.

133552422 is a `hidden beast` number, since 133 + 5 + 524 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133552429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236543 + ... + 1236650.

It is an arithmetic number, because the mean of its divisors is an integer number (18548955).

Almost surely, 2^133552422 is an apocalyptic number.

133552422 is an abundant number, since it is smaller than the sum of its proper divisors (163230858).

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

133552422 is a wasteful number, since it uses less digits than its factorization.

133552422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473204 (or 2473198 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 133552422 is about 11556.4883074401. The cubic root of 133552422 is about 511.1526179937.

The spelling of 133552422 in words is "one hundred thirty-three million, five hundred fifty-two thousand, four hundred twenty-two".