22044444040 has 32 divisors (see below), whose sum is σ = 49730904000. Its totient is φ = 8794505664.

The previous prime is 22044444031. The next prime is 22044444041. The reversal of 22044444040 is 4044444022.

It is not an unprimeable number, because it can be changed into a prime (22044444041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711900 + ... + 742219.

It is an arithmetic number, because the mean of its divisors is an integer number (1554090750).

Almost surely, 2^22044444040 is an apocalyptic number.

22044444040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22044444040 is an abundant number, since it is smaller than the sum of its proper divisors (27686459960).

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

22044444040 is a wasteful number, since it uses less digits than its factorization.

22044444040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454509 (or 1454505 counting only the distinct ones).

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

Adding to 22044444040 its reverse (4044444022), we get a palindrome (26088888062).

The spelling of 22044444040 in words is "twenty-two billion, forty-four million, four hundred forty-four thousand, forty".