133321222 has 8 divisors (see below), whose sum is σ = 201306672. Its totient is φ = 66219000.

The previous prime is 133321211. The next prime is 133321229. The reversal of 133321222 is 222123331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 133321222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133321229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220429 + ... + 221032.

It is an arithmetic number, because the mean of its divisors is an integer number (25163334).

Almost surely, 2^133321222 is an apocalyptic number.

133321222 is a deficient number, since it is larger than the sum of its proper divisors (67985450).

133321222 is a wasteful number, since it uses less digits than its factorization.

133321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441614.

The product of its digits is 432, while the sum is 19.

The square root of 133321222 is about 11546.4809357657. The cubic root of 133321222 is about 510.8574860790.

Adding to 133321222 its reverse (222123331), we get a palindrome (355444553).

The spelling of 133321222 in words is "one hundred thirty-three million, three hundred twenty-one thousand, two hundred twenty-two".