222145021045200 has 120 divisors (see below), whose sum is σ = 776295873589536. Its totient is φ = 53853338432000.

The previous prime is 222145021045163. The next prime is 222145021045201. The reversal of 222145021045200 is 2540120541222.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222145021045201) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8414570931 + ... + 8414597330.

Almost surely, 2^{222145021045200} is an apocalyptic number.

222145021045200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222145021045200 is an abundant number, since it is smaller than the sum of its proper divisors (554150852544336).

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

222145021045200 is a wasteful number, since it uses less digits than its factorization.

222145021045200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16829168293 (or 16829168282 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 222145021045200 its reverse (2540120541222), we get a palindrome (224685141586422).

The spelling of 222145021045200 in words is "two hundred twenty-two trillion, one hundred forty-five billion, twenty-one million, forty-five thousand, two hundred".