221525045730230 has 64 divisors (see below), whose sum is σ = 457896841758720. Its totient is φ = 76313556288000.

The previous prime is 221525045730217. The next prime is 221525045730257. The reversal of 221525045730230 is 32037540525122.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126938942 + ... + 128672238.

It is an arithmetic number, because the mean of its divisors is an integer number (7154638152480).

Almost surely, 2^{221525045730230} is an apocalyptic number.

221525045730230 is an abundant number, since it is smaller than the sum of its proper divisors (236371796028490).

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

221525045730230 is a wasteful number, since it uses less digits than its factorization.

221525045730230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794485.

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 221525045730230 in words is "two hundred twenty-one trillion, five hundred twenty-five billion, forty-five million, seven hundred thirty thousand, two hundred thirty".