221250065357352 has 16 divisors (see below), whose sum is σ = 553125163393440. Its totient is φ = 73750021785776.

The previous prime is 221250065357303. The next prime is 221250065357353. The reversal of 221250065357352 is 253753560052122.

It is not an unprimeable number, because it can be changed into a prime (221250065357353) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4609376361588 + ... + 4609376361635.

It is an arithmetic number, because the mean of its divisors is an integer number (34570322712090).

Almost surely, 2^{221250065357352} is an apocalyptic number.

It is an amenable number.

221250065357352 is an abundant number, since it is smaller than the sum of its proper divisors (331875098036088).

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

221250065357352 is a wasteful number, since it uses less digits than its factorization.

221250065357352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9218752723232 (or 9218752723228 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 48.

The spelling of 221250065357352 in words is "two hundred twenty-one trillion, two hundred fifty billion, sixty-five million, three hundred fifty-seven thousand, three hundred fifty-two".