222002120004 has 96 divisors (see below), whose sum is σ = 597665703936. Its totient is φ = 62825448960.

The previous prime is 222002119991. The next prime is 222002120009. The reversal of 222002120004 is 400021200222.

It is not an unprimeable number, because it can be changed into a prime (222002120009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3941964 + ... + 3997884.

It is an arithmetic number, because the mean of its divisors is an integer number (6225684416).

Almost surely, 2^222002120004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222002120004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298832851968).

222002120004 is an abundant number, since it is smaller than the sum of its proper divisors (375663583932).

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

222002120004 is a wasteful number, since it uses less digits than its factorization.

222002120004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56385 (or 56383 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 222002120004 its reverse (400021200222), we get a palindrome (622023320226).

The spelling of 222002120004 in words is "two hundred twenty-two billion, two million, one hundred twenty thousand, four".