22017936906 has 48 divisors (see below), whose sum is σ = 54535650624. Its totient is φ = 6289103232.

The previous prime is 22017936893. The next prime is 22017936907. The reversal of 22017936906 is 60963971022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22017936907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 475186 + ... + 519458.

It is an arithmetic number, because the mean of its divisors is an integer number (1136159388).

Almost surely, 2^22017936906 is an apocalyptic number.

22017936906 is an abundant number, since it is smaller than the sum of its proper divisors (32517713718).

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

22017936906 is a wasteful number, since it uses less digits than its factorization.

22017936906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48235 (or 48232 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 22017936906 in words is "twenty-two billion, seventeen million, nine hundred thirty-six thousand, nine hundred six".