22206444655645 has 8 divisors (see below), whose sum is σ = 26651558479104. Its totient is φ = 17762605796304.

The previous prime is 22206444655631. The next prime is 22206444655693. The reversal of 22206444655645 is 54655644460222.

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 22206444655645 - 2¹⁹ = 22206444131357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318702709 + ... + 318772378.

It is an arithmetic number, because the mean of its divisors is an integer number (3331444809888).

Almost surely, 2^{22206444655645} is an apocalyptic number.

It is an amenable number.

22206444655645 is a deficient number, since it is larger than the sum of its proper divisors (4445113823459).

22206444655645 is an equidigital number, since it uses as much as digits as its factorization.

22206444655645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637482059.

The product of its (nonzero) digits is 55296000, while the sum is 55.

The spelling of 22206444655645 in words is "twenty-two trillion, two hundred six billion, four hundred forty-four million, six hundred fifty-five thousand, six hundred forty-five".