221986730282952 has 128 divisors (see below), whose sum is σ = 602076883968000. Its totient is φ = 68002432312320.

The previous prime is 221986730282917. The next prime is 221986730282953. The reversal of 221986730282952 is 259282037689122.

It is not an unprimeable number, because it can be changed into a prime (221986730282953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44285377 + ... + 49042512.

It is an arithmetic number, because the mean of its divisors is an integer number (4703725656000).

Almost surely, 2^{221986730282952} is an apocalyptic number.

It is an amenable number.

221986730282952 is an abundant number, since it is smaller than the sum of its proper divisors (380090153685048).

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

221986730282952 is a wasteful number, since it uses less digits than its factorization.

221986730282952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93328091 (or 93328087 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 221986730282952 in words is "two hundred twenty-one trillion, nine hundred eighty-six billion, seven hundred thirty million, two hundred eighty-two thousand, nine hundred fifty-two".