221144050 has 12 divisors (see below), whose sum is σ = 411328026. Its totient is φ = 88457600.

The previous prime is 221144047. The next prime is 221144087. The reversal of 221144050 is 50441122.

It can be written as a sum of positive squares in 3 ways, for example, as 209699361 + 11444689 = 14481^2 + 3383^2 .

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, 2211391 + ... + 2211490.

Almost surely, 2^221144050 is an apocalyptic number.

221144050 is a deficient number, since it is larger than the sum of its proper divisors (190183976).

221144050 is a wasteful number, since it uses less digits than its factorization.

221144050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422893 (or 4422888 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 221144050 is about 14870.9128838817. The cubic root of 221144050 is about 604.7256912783.

Adding to 221144050 its reverse (50441122), we get a palindrome (271585172).

The spelling of 221144050 in words is "two hundred twenty-one million, one hundred forty-four thousand, fifty".