1222055545560 has 64 divisors (see below), whose sum is σ = 3672206668800. Its totient is φ = 325344587136.

The previous prime is 1222055545523. The next prime is 1222055545591. The reversal of 1222055545560 is 655455502221.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 8315790 + ... + 8461469.

It is an arithmetic number, because the mean of its divisors is an integer number (57378229200).

Almost surely, 2^{1222055545560} is an apocalyptic number.

1222055545560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222055545560 is an abundant number, since it is smaller than the sum of its proper divisors (2450151123240).

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

1222055545560 is a wasteful number, since it uses less digits than its factorization.

1222055545560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16777880 (or 16777876 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 1222055545560 in words is "one trillion, two hundred twenty-two billion, fifty-five million, five hundred forty-five thousand, five hundred sixty".