22033170898 has 4 divisors (see below), whose sum is σ = 33049756350. Its totient is φ = 11016585448.

The previous prime is 22033170893. The next prime is 22033170931. The reversal of 22033170898 is 89807133022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89807133022 = 2 ⋅44903566511.

It can be written as a sum of positive squares in only one way, i.e., 22032355489 + 815409 = 148433^2 + 903^2 .

It is not an unprimeable number, because it can be changed into a prime (22033170893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5508292723 + ... + 5508292726.

Almost surely, 2^22033170898 is an apocalyptic number.

22033170898 is a deficient number, since it is larger than the sum of its proper divisors (11016585452).

22033170898 is a wasteful number, since it uses less digits than its factorization.

22033170898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11016585451.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 22033170898 in words is "twenty-two billion, thirty-three million, one hundred seventy thousand, eight hundred ninety-eight".