133220222044440 has 64 divisors (see below), whose sum is σ = 406434575750400. Its totient is φ = 34923267245952.

The previous prime is 133220222044439. The next prime is 133220222044447. The reversal of 133220222044440 is 44440222022331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133220222044447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9408200692 + ... + 9408214851.

It is an arithmetic number, because the mean of its divisors is an integer number (6350540246100).

Almost surely, 2^{133220222044440} is an apocalyptic number.

133220222044440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133220222044440 is an abundant number, since it is smaller than the sum of its proper divisors (273214353705960).

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

133220222044440 is a wasteful number, since it uses less digits than its factorization.

133220222044440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18816415616 (or 18816415612 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 133220222044440 its reverse (44440222022331), we get a palindrome (177660444066771).

The spelling of 133220222044440 in words is "one hundred thirty-three trillion, two hundred twenty billion, two hundred twenty-two million, forty-four thousand, four hundred forty".