2229421207168 has 32 divisors (see below), whose sum is σ = 4675184280000. Its totient is φ = 1056041623296.

The previous prime is 2229421207163. The next prime is 2229421207171. The reversal of 2229421207168 is 8617021249222.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (2229421207163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458348968 + ... + 458353831.

It is an arithmetic number, because the mean of its divisors is an integer number (146099508750).

Almost surely, 2^{2229421207168} is an apocalyptic number.

It is an amenable number.

2229421207168 is an abundant number, since it is smaller than the sum of its proper divisors (2445763072832).

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

2229421207168 is an equidigital number, since it uses as much as digits as its factorization.

2229421207168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916702832 (or 916702820 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 2229421207168 in words is "two trillion, two hundred twenty-nine billion, four hundred twenty-one million, two hundred seven thousand, one hundred sixty-eight".