22022444044044 has 18 divisors (see below), whose sum is σ = 55667844666980. Its totient is φ = 7340814681336.

The previous prime is 22022444044043. The next prime is 22022444044067. The reversal of 22022444044044 is 44044044422022.

22022444044044 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 244 + 4 + 0 + 4 + 404 + 4 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 611734556779 = 22022444044044 / (2 + 2 + 0 + 2 + 2 + 4 + 4 + 4 + 0 + 4 + 4 + 0 + 4 + 4).

It is not an unprimeable number, because it can be changed into a prime (22022444044043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305867278354 + ... + 305867278425.

Almost surely, 2^{22022444044044} is an apocalyptic number.

It is an amenable number.

22022444044044 is an abundant number, since it is smaller than the sum of its proper divisors (33645400622936).

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

22022444044044 is a wasteful number, since it uses less digits than its factorization.

22022444044044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611734556789 (or 611734556784 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 22022444044044 its reverse (44044044422022), we get a palindrome (66066488466066).

The spelling of 22022444044044 in words is "twenty-two trillion, twenty-two billion, four hundred forty-four million, forty-four thousand, forty-four".