221483852290 has 16 divisors (see below), whose sum is σ = 403150384440. Its totient is φ = 87598107520.

The previous prime is 221483852273. The next prime is 221483852327. The reversal of 221483852290 is 92258384122.

It can be written as a sum of positive squares in 4 ways, for example, as 144514782801 + 76969069489 = 380151^2 + 277433^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 221483852290.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124428241 + ... + 124430020.

Almost surely, 2^221483852290 is an apocalyptic number.

221483852290 is a deficient number, since it is larger than the sum of its proper divisors (181666532150).

221483852290 is a wasteful number, since it uses less digits than its factorization.

221483852290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248858357.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 221483852290 in words is "two hundred twenty-one billion, four hundred eighty-three million, eight hundred fifty-two thousand, two hundred ninety".