22044440422 has 8 divisors (see below), whose sum is σ = 34206890400. Its totient is φ = 10642143624.

The previous prime is 22044440399. The next prime is 22044440423. The reversal of 22044440422 is 22404444022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044440423) 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, 190038222 + ... + 190038337.

It is an arithmetic number, because the mean of its divisors is an integer number (4275861300).

Almost surely, 2^22044440422 is an apocalyptic number.

22044440422 is a deficient number, since it is larger than the sum of its proper divisors (12162449978).

22044440422 is a wasteful number, since it uses less digits than its factorization.

22044440422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380076590.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22044440422 its reverse (22404444022), we get a palindrome (44448884444).

The spelling of 22044440422 in words is "twenty-two billion, forty-four million, four hundred forty thousand, four hundred twenty-two".