221422047004200 has 144 divisors (see below), whose sum is σ = 798475014506880. Its totient is φ = 50610753594240.

The previous prime is 221422047004187. The next prime is 221422047004201. The reversal of 221422047004200 is 2400740224122.

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

It is not an unprimeable number, because it can be changed into a prime (221422047004201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3765651672 + ... + 3765710471.

It is an arithmetic number, because the mean of its divisors is an integer number (5544965378520).

Almost surely, 2^{221422047004200} is an apocalyptic number.

221422047004200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221422047004200 is an abundant number, since it is smaller than the sum of its proper divisors (577052967502680).

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

221422047004200 is a wasteful number, since it uses less digits than its factorization.

221422047004200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7531362176 (or 7531362160 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 30.

Adding to 221422047004200 its reverse (2400740224122), we get a palindrome (223822787228322).

The spelling of 221422047004200 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, forty-seven million, four thousand, two hundred".