22044021444 has 72 divisors (see below), whose sum is σ = 56687275008. Its totient is φ = 7221856320.

The previous prime is 22044021437. The next prime is 22044021487. The reversal of 22044021444 is 44412044022.

22044021444 is a `hidden beast` number, since 2 + 2 + 0 + 440 + 214 + 4 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466674 + ... + 511734.

It is an arithmetic number, because the mean of its divisors is an integer number (787323264).

Almost surely, 2^22044021444 is an apocalyptic number.

It is an amenable number.

22044021444 is an abundant number, since it is smaller than the sum of its proper divisors (34643253564).

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

22044021444 is a wasteful number, since it uses less digits than its factorization.

22044021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45305 (or 45300 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 22044021444 its reverse (44412044022), we get a palindrome (66456065466).

The spelling of 22044021444 in words is "twenty-two billion, forty-four million, twenty-one thousand, four hundred forty-four".