133504222 has 16 divisors (see below), whose sum is σ = 211127760. Its totient is φ = 63139392.

The previous prime is 133504219. The next prime is 133504229. The reversal of 133504222 is 222405331.

It is a junction number, because it is equal to n+sod(n) for n = 133504193 and 133504202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133504229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25458 + ... + 30250.

It is an arithmetic number, because the mean of its divisors is an integer number (13195485).

Almost surely, 2^133504222 is an apocalyptic number.

133504222 is a deficient number, since it is larger than the sum of its proper divisors (77623538).

133504222 is a wasteful number, since it uses less digits than its factorization.

133504222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 133504222 is about 11554.4027106554. The cubic root of 133504222 is about 511.0911177469.

Adding to 133504222 its reverse (222405331), we get a palindrome (355909553).

The spelling of 133504222 in words is "one hundred thirty-three million, five hundred four thousand, two hundred twenty-two".