22245566677888 has 32 divisors (see below), whose sum is σ = 44815287528000. Its totient is φ = 10997808239616.

The previous prime is 22245566677877. The next prime is 22245566677891. The reversal of 22245566677888 is 88877666554222.

It is a tau number, because it is divible by the number of its divisors (32).

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976356528 + ... + 976379311.

It is an arithmetic number, because the mean of its divisors is an integer number (1400477735250).

Almost surely, 2^{22245566677888} is an apocalyptic number.

It is an amenable number.

22245566677888 is an abundant number, since it is smaller than the sum of its proper divisors (22569720850112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22245566677888 is an equidigital number, since it uses as much as digits as its factorization.

22245566677888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952735942 (or 1952735930 counting only the distinct ones).

The product of its digits is 4335206400, while the sum is 76.

The spelling of 22245566677888 in words is "twenty-two trillion, two hundred forty-five billion, five hundred sixty-six million, six hundred seventy-seven thousand, eight hundred eighty-eight".