22170701836906 has 12 divisors (see below), whose sum is σ = 38685612389058. Its totient is φ = 9501729358632.

The previous prime is 22170701836901. The next prime is 22170701836939. The reversal of 22170701836906 is 60963810707122.

It can be written as a sum of positive squares in only one way, i.e., 20220391830681 + 1950310006225 = 4496709^2 + 1396535^2 .

It is not an unprimeable number, because it can be changed into a prime (22170701836901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113115825601 + ... + 113115825796.

Almost surely, 2^{22170701836906} is an apocalyptic number.

22170701836906 is a deficient number, since it is larger than the sum of its proper divisors (16514910552152).

22170701836906 is a wasteful number, since it uses less digits than its factorization.

22170701836906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226231651413 (or 226231651406 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 22170701836906 in words is "twenty-two trillion, one hundred seventy billion, seven hundred one million, eight hundred thirty-six thousand, nine hundred six".