22285599554944 has 128 divisors (see below), whose sum is σ = 50490568719360. Its totient is φ = 9705987840000.

The previous prime is 22285599554941. The next prime is 22285599554971. The reversal of 22285599554944 is 44945599558222.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22285599554941) 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, 1880847 + ... + 6936049.

It is an arithmetic number, because the mean of its divisors is an integer number (394457568120).

Almost surely, 2^{22285599554944} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22285599554944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25245284359680).

22285599554944 is an abundant number, since it is smaller than the sum of its proper divisors (28204969164416).

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

22285599554944 is a wasteful number, since it uses less digits than its factorization.

22285599554944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055360 (or 5055348 counting only the distinct ones).

The product of its digits is 1866240000, while the sum is 73.

It can be divided in two parts, 222855 and 99554944, that added together give a palindrome (99777799).

The spelling of 22285599554944 in words is "twenty-two trillion, two hundred eighty-five billion, five hundred ninety-nine million, five hundred fifty-four thousand, nine hundred forty-four".