221343050 has 12 divisors (see below), whose sum is σ = 411698166. Its totient is φ = 88537200.

The previous prime is 221343047. The next prime is 221343071. The reversal of 221343050 is 50343122.

It is a happy number.

221343050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 208889209 + 12453841 = 14453^2 + 3529^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2213381 + ... + 2213480.

Almost surely, 2^221343050 is an apocalyptic number.

221343050 is a deficient number, since it is larger than the sum of its proper divisors (190355116).

221343050 is a wasteful number, since it uses less digits than its factorization.

221343050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4426873 (or 4426868 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 221343050 is about 14877.6022933805. The cubic root of 221343050 is about 604.9070275821.

Adding to 221343050 its reverse (50343122), we get a palindrome (271686172).

The spelling of 221343050 in words is "two hundred twenty-one million, three hundred forty-three thousand, fifty".