22175797690 has 8 divisors (see below), whose sum is σ = 39916435860. Its totient is φ = 8870319072.

The previous prime is 22175797673. The next prime is 22175797717. The reversal of 22175797690 is 9679757122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22084040449 + 91757241 = 148607^2 + 9579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22175797690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1108789875 + ... + 1108789894.

Almost surely, 2^22175797690 is an apocalyptic number.

22175797690 is a deficient number, since it is larger than the sum of its proper divisors (17740638170).

22175797690 is a wasteful number, since it uses less digits than its factorization.

22175797690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217579776.

The product of its (nonzero) digits is 3333960, while the sum is 55.

The spelling of 22175797690 in words is "twenty-two billion, one hundred seventy-five million, seven hundred ninety-seven thousand, six hundred ninety".