221443046052 has 24 divisors (see below), whose sum is σ = 539165678016. Its totient is φ = 70605029088.

The previous prime is 221443046051. The next prime is 221443046087. The reversal of 221443046052 is 250640344122.

It is not an unprimeable number, because it can be changed into a prime (221443046051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401164663 + ... + 401165214.

It is an arithmetic number, because the mean of its divisors is an integer number (22465236584).

Almost surely, 2^221443046052 is an apocalyptic number.

It is an amenable number.

221443046052 is an abundant number, since it is smaller than the sum of its proper divisors (317722631964).

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

221443046052 is a wasteful number, since it uses less digits than its factorization.

221443046052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802329907 (or 802329905 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 221443046052 in words is "two hundred twenty-one billion, four hundred forty-three million, forty-six thousand, fifty-two".