22419055208 has 64 divisors (see below), whose sum is σ = 46523401920. Its totient is φ = 10127177280.

The previous prime is 22419055189. The next prime is 22419055223. The reversal of 22419055208 is 80255091422.

It is a super-2 number, since 2×22419055208² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1729166 + ... + 1742082.

It is an arithmetic number, because the mean of its divisors is an integer number (726928155).

Almost surely, 2^22419055208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22419055208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23261700960).

22419055208 is an abundant number, since it is smaller than the sum of its proper divisors (24104346712).

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

22419055208 is a wasteful number, since it uses less digits than its factorization.

22419055208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13119 (or 13093 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 22419055208 in words is "twenty-two billion, four hundred nineteen million, fifty-five thousand, two hundred eight".