133644222446331 has 32 divisors (see below), whose sum is σ = 185043224520000. Its totient is φ = 85726305676800.

The previous prime is 133644222446327. The next prime is 133644222446377.

133644222446331 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 133644222446331 - 2² = 133644222446327 is a prime.

It is a super-2 number, since 2×133644222446331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133644222446321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2104045 + ... + 16483793.

It is an arithmetic number, because the mean of its divisors is an integer number (5782600766250).

Almost surely, 2^{133644222446331} is an apocalyptic number.

133644222446331 is a deficient number, since it is larger than the sum of its proper divisors (51399002073669).

133644222446331 is a wasteful number, since it uses less digits than its factorization.

133644222446331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14380719.

The product of its digits is 5971968, while the sum is 48.

The spelling of 133644222446331 in words is "one hundred thirty-three trillion, six hundred forty-four billion, two hundred twenty-two million, four hundred forty-six thousand, three hundred thirty-one".