22190108440 has 16 divisors (see below), whose sum is σ = 49927744080. Its totient is φ = 8876043360.

The previous prime is 22190108411. The next prime is 22190108443. The reversal of 22190108440 is 4480109122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22190108443) 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, 277376316 + ... + 277376395.

It is an arithmetic number, because the mean of its divisors is an integer number (3120484005).

Almost surely, 2^22190108440 is an apocalyptic number.

22190108440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22190108440 is an abundant number, since it is smaller than the sum of its proper divisors (27737635640).

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

22190108440 is a wasteful number, since it uses less digits than its factorization.

22190108440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554752722 (or 554752718 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 22190108440 in words is "twenty-two billion, one hundred ninety million, one hundred eight thousand, four hundred forty".