22122204605 has 16 divisors (see below), whose sum is σ = 26901545664. Its totient is φ = 17462269440.

The previous prime is 22122204581. The next prime is 22122204623. The reversal of 22122204605 is 50640222122.

It is not a de Polignac number, because 22122204605 - 2¹⁶ = 22122139069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91634 + ... + 229436.

It is an arithmetic number, because the mean of its divisors is an integer number (1681346604).

Almost surely, 2^22122204605 is an apocalyptic number.

It is an amenable number.

22122204605 is a deficient number, since it is larger than the sum of its proper divisors (4779341059).

22122204605 is a wasteful number, since it uses less digits than its factorization.

22122204605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138236.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 22122204605 its reverse (50640222122), we get a palindrome (72762426727).

The spelling of 22122204605 in words is "twenty-two billion, one hundred twenty-two million, two hundred four thousand, six hundred five".