22088135906 has 16 divisors (see below), whose sum is σ = 33203996280. Its totient is φ = 11020156800.

The previous prime is 22088135879. The next prime is 22088136001. The reversal of 22088135906 is 60953188022.

It can be written as a sum of positive squares in 4 ways, for example, as 22079285281 + 8850625 = 148591^2 + 2975^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3493460 + ... + 3499776.

Almost surely, 2^22088135906 is an apocalyptic number.

22088135906 is a deficient number, since it is larger than the sum of its proper divisors (11115860374).

22088135906 is a wasteful number, since it uses less digits than its factorization.

22088135906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9829.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 22088135906 in words is "twenty-two billion, eighty-eight million, one hundred thirty-five thousand, nine hundred six".