22005054440 has 32 divisors (see below), whose sum is σ = 52117236000. Its totient is φ = 8338757184.

The previous prime is 22005054413. The next prime is 22005054457. The reversal of 22005054440 is 4445050022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14476250 + ... + 14477769.

It is an arithmetic number, because the mean of its divisors is an integer number (1628663625).

Almost surely, 2^22005054440 is an apocalyptic number.

22005054440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22005054440 is an abundant number, since it is smaller than the sum of its proper divisors (30112181560).

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

22005054440 is a wasteful number, since it uses less digits than its factorization.

22005054440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28954049 (or 28954045 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The spelling of 22005054440 in words is "twenty-two billion, five million, fifty-four thousand, four hundred forty".