22104344440 has 32 divisors (see below), whose sum is σ = 49755222000. Its totient is φ = 8838102784.

The previous prime is 22104344389. The next prime is 22104344441. The reversal of 22104344440 is 4444340122.

It is a junction number, because it is equal to n+sod(n) for n = 22104344399 and 22104344408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22104344441) 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, 14005 + ... + 210724.

Almost surely, 2^22104344440 is an apocalyptic number.

22104344440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22104344440 is an abundant number, since it is smaller than the sum of its proper divisors (27650877560).

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

22104344440 is a wasteful number, since it uses less digits than its factorization.

22104344440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227199 (or 227195 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22104344440 its reverse (4444340122), we get a palindrome (26548684562).

The spelling of 22104344440 in words is "twenty-two billion, one hundred four million, three hundred forty-four thousand, four hundred forty".