22201331100444 has 18 divisors (see below), whose sum is σ = 56120031392880. Its totient is φ = 7400443700136.

The previous prime is 22201331100407. The next prime is 22201331100461. The reversal of 22201331100444 is 44400113310222.

22201331100444 is a `hidden beast` number, since 2 + 2 + 201 + 3 + 3 + 1 + 10 + 0 + 444 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308351820804 + ... + 308351820875.

Almost surely, 2^{22201331100444} is an apocalyptic number.

It is an amenable number.

22201331100444 is an abundant number, since it is smaller than the sum of its proper divisors (33918700292436).

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

22201331100444 is a wasteful number, since it uses less digits than its factorization.

22201331100444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616703641689 (or 616703641684 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 22201331100444 its reverse (44400113310222), we get a palindrome (66601444410666).

The spelling of 22201331100444 in words is "twenty-two trillion, two hundred one billion, three hundred thirty-one million, one hundred thousand, four hundred forty-four".