221222104143204 has 96 divisors (see below), whose sum is σ = 548743512360960. Its totient is φ = 69166514736000.

The previous prime is 221222104143169. The next prime is 221222104143239. The reversal of 221222104143204 is 402341401222122.

It is an interprime number because it is at equal distance from previous prime (221222104143169) and next prime (221222104143239).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2052270549 + ... + 2052378339.

It is an arithmetic number, because the mean of its divisors is an integer number (5716078253760).

Almost surely, 2^{221222104143204} is an apocalyptic number.

It is an amenable number.

221222104143204 is an abundant number, since it is smaller than the sum of its proper divisors (327521408217756).

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

221222104143204 is a wasteful number, since it uses less digits than its factorization.

221222104143204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197041 (or 197039 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 221222104143204 its reverse (402341401222122), we get a palindrome (623563505365326).

The spelling of 221222104143204 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, one hundred four million, one hundred forty-three thousand, two hundred four".