22057140578 has 18 divisors (see below), whose sum is σ = 36370748043. Its totient is φ = 10024922820.

The previous prime is 22057140559. The next prime is 22057140593. The reversal of 22057140578 is 87504175022.

It can be written as a sum of positive squares in only one way, i.e., 11028570289 + 11028570289 = 105017^2 + 105017^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105017.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2305601 + ... + 2315147.

Almost surely, 2^22057140578 is an apocalyptic number.

22057140578 is a deficient number, since it is larger than the sum of its proper divisors (14313607465).

22057140578 is an frugal number, since it uses more digits than its factorization.

22057140578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19118 (or 9560 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 41.

The spelling of 22057140578 in words is "twenty-two billion, fifty-seven million, one hundred forty thousand, five hundred seventy-eight".