133215422 has 16 divisors (see below), whose sum is σ = 210773760. Its totient is φ = 62971992.

The previous prime is 133215421. The next prime is 133215427. The reversal of 133215422 is 224512331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133215421) 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, 16523 + ... + 23225.

It is an arithmetic number, because the mean of its divisors is an integer number (13173360).

Almost surely, 2^133215422 is an apocalyptic number.

133215422 is a deficient number, since it is larger than the sum of its proper divisors (77558338).

133215422 is a wasteful number, since it uses less digits than its factorization.

133215422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7247.

The product of its digits is 1440, while the sum is 23.

The square root of 133215422 is about 11541.8985440005. The cubic root of 133215422 is about 510.7223162371.

Adding to 133215422 its reverse (224512331), we get a palindrome (357727753).

The spelling of 133215422 in words is "one hundred thirty-three million, two hundred fifteen thousand, four hundred twenty-two".