22165531105 has 8 divisors (see below), whose sum is σ = 26599456872. Its totient is φ = 17731878528.

The previous prime is 22165531057. The next prime is 22165531117. The reversal of 22165531105 is 50113556122.

It can be written as a sum of positive squares in 4 ways, for example, as 3508429824 + 18657101281 = 59232^2 + 136591^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22165531105 - 2⁷ = 22165530977 is a prime.

It is a Duffinian 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, 223717 + ... + 307213.

It is an arithmetic number, because the mean of its divisors is an integer number (3324932109).

Almost surely, 2^22165531105 is an apocalyptic number.

It is an amenable number.

22165531105 is a deficient number, since it is larger than the sum of its proper divisors (4433925767).

22165531105 is an equidigital number, since it uses as much as digits as its factorization.

22165531105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136595.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 22165531105 in words is "twenty-two billion, one hundred sixty-five million, five hundred thirty-one thousand, one hundred five".