133444431312222 has 16 divisors (see below), whose sum is σ = 267399166383360. Its totient is φ = 44396426477592.

The previous prime is 133444431312217. The next prime is 133444431312233. The reversal of 133444431312222 is 222213134444331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21262653222 + ... + 21262659497.

It is an arithmetic number, because the mean of its divisors is an integer number (16712447898960).

Almost surely, 2^{133444431312222} is an apocalyptic number.

133444431312222 is an abundant number, since it is smaller than the sum of its proper divisors (133954735071138).

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

133444431312222 is a wasteful number, since it uses less digits than its factorization.

133444431312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42525313247.

The product of its digits is 331776, while the sum is 39.

Adding to 133444431312222 its reverse (222213134444331), we get a palindrome (355657565756553).

The spelling of 133444431312222 in words is "one hundred thirty-three trillion, four hundred forty-four billion, four hundred thirty-one million, three hundred twelve thousand, two hundred twenty-two".