222001321320 has 128 divisors (see below), whose sum is σ = 740137824000. Its totient is φ = 59189679360.

The previous prime is 222001321309. The next prime is 222001321327. The reversal of 222001321320 is 23123100222.

222001321320 is a `hidden beast` number, since 2 + 2 + 20 + 0 + 1 + 321 + 320 = 666.

222001321320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222001321293 and 222001321302.

It is not an unprimeable number, because it can be changed into a prime (222001321327) 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 31 ways as a sum of consecutive naturals, for example, 7319146 + ... + 7349414.

It is an arithmetic number, because the mean of its divisors is an integer number (5782326750).

Almost surely, 2^222001321320 is an apocalyptic number.

222001321320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222001321320 is an abundant number, since it is smaller than the sum of its proper divisors (518136502680).

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

222001321320 is a wasteful number, since it uses less digits than its factorization.

222001321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37080 (or 37070 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222001321320 its reverse (23123100222), we get a palindrome (245124421542).

The spelling of 222001321320 in words is "two hundred twenty-two billion, one million, three hundred twenty-one thousand, three hundred twenty".