22018900798 has 8 divisors (see below), whose sum is σ = 33029716608. Its totient is φ = 11008995264.

The previous prime is 22018900793. The next prime is 22018900843. The reversal of 22018900798 is 89700981022.

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 (22018900793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163486 + ... + 266017.

It is an arithmetic number, because the mean of its divisors is an integer number (4128714576).

Almost surely, 2^22018900798 is an apocalyptic number.

22018900798 is a deficient number, since it is larger than the sum of its proper divisors (11010815810).

22018900798 is a wasteful number, since it uses less digits than its factorization.

22018900798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455138.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 22018900798 in words is "twenty-two billion, eighteen million, nine hundred thousand, seven hundred ninety-eight".