22206057793921 has 8 divisors (see below), whose sum is σ = 22486247741664. Its totient is φ = 21926168967360.

The previous prime is 22206057793897. The next prime is 22206057793991. The reversal of 22206057793921 is 12939775060222.

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 22206057793921 - 2⁵ = 22206057793889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22206057793991) by changing a digit.

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, 75131875 + ... + 75426856.

It is an arithmetic number, because the mean of its divisors is an integer number (2810780967708).

Almost surely, 2^{22206057793921} is an apocalyptic number.

It is an amenable number.

22206057793921 is a deficient number, since it is larger than the sum of its proper divisors (280189947743).

22206057793921 is a wasteful number, since it uses less digits than its factorization.

22206057793921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150560591.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 22206057793921 in words is "twenty-two trillion, two hundred six billion, fifty-seven million, seven hundred ninety-three thousand, nine hundred twenty-one".