221345052235 has 8 divisors (see below), whose sum is σ = 268352352576. Its totient is φ = 175250515200.

The previous prime is 221345052209. The next prime is 221345052239. The reversal of 221345052235 is 532250543122.

221345052235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221345052235 - 2¹⁷ = 221344921163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221345052235.

It is not an unprimeable number, because it can be changed into a prime (221345052239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228190291 + ... + 228191260.

It is an arithmetic number, because the mean of its divisors is an integer number (33544044072).

Almost surely, 2^221345052235 is an apocalyptic number.

221345052235 is a deficient number, since it is larger than the sum of its proper divisors (47007300341).

221345052235 is an equidigital number, since it uses as much as digits as its factorization.

221345052235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456381653.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 221345052235 its reverse (532250543122), we get a palindrome (753595595357).

The spelling of 221345052235 in words is "two hundred twenty-one billion, three hundred forty-five million, fifty-two thousand, two hundred thirty-five".