22044034321 has 4 divisors (see below), whose sum is σ = 22110632944. Its totient is φ = 21977435700.

The previous prime is 22044034319. The next prime is 22044034339. The reversal of 22044034321 is 12343044022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12343044022 = 2 ⋅6171522011.

It is a cyclic number.

It is not a de Polignac number, because 22044034321 - 2¹ = 22044034319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22044034361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33298815 + ... + 33299476.

It is an arithmetic number, because the mean of its divisors is an integer number (5527658236).

Almost surely, 2^22044034321 is an apocalyptic number.

It is an amenable number.

22044034321 is a deficient number, since it is larger than the sum of its proper divisors (66598623).

22044034321 is an equidigital number, since it uses as much as digits as its factorization.

22044034321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66598622.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22044034321 its reverse (12343044022), we get a palindrome (34387078343).

The spelling of 22044034321 in words is "twenty-two billion, forty-four million, thirty-four thousand, three hundred twenty-one".