22100605145 has 8 divisors (see below), whose sum is σ = 26522233920. Its totient is φ = 17679478960.

The previous prime is 22100605139. The next prime is 22100605181. The reversal of 22100605145 is 54150600122.

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

It is not a de Polignac number, because 22100605145 - 2²⁰ = 22099556569 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20975 + ... + 211284.

It is an arithmetic number, because the mean of its divisors is an integer number (3315279240).

Almost surely, 2^22100605145 is an apocalyptic number.

It is an amenable number.

22100605145 is a deficient number, since it is larger than the sum of its proper divisors (4421628775).

22100605145 is a wasteful number, since it uses less digits than its factorization.

22100605145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251295.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 22100605145 in words is "twenty-two billion, one hundred million, six hundred five thousand, one hundred forty-five".