22278843806 has 8 divisors (see below), whose sum is σ = 33442716240. Its totient is φ = 11131271728.

The previous prime is 22278843787. The next prime is 22278843823. The reversal of 22278843806 is 60834887222.

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

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 3 ways as a sum of consecutive naturals, for example, 4071671 + ... + 4077138.

It is an arithmetic number, because the mean of its divisors is an integer number (4180339530).

Almost surely, 2^22278843806 is an apocalyptic number.

22278843806 is a deficient number, since it is larger than the sum of its proper divisors (11163872434).

22278843806 is a wasteful number, since it uses less digits than its factorization.

22278843806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150178.

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 22278843806 in words is "twenty-two billion, two hundred seventy-eight million, eight hundred forty-three thousand, eight hundred six".