221040050 has 48 divisors (see below), whose sum is σ = 512592192. Its totient is φ = 68894400.

The previous prime is 221040037. The next prime is 221040067. The reversal of 221040050 is 50040122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24857 + ... + 32556.

It is an arithmetic number, because the mean of its divisors is an integer number (10679004).

Almost surely, 2^221040050 is an apocalyptic number.

221040050 is an abundant number, since it is smaller than the sum of its proper divisors (291552142).

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

221040050 is a wasteful number, since it uses less digits than its factorization.

221040050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57443 (or 57438 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 221040050 is about 14867.4157135664. The cubic root of 221040050 is about 604.6308792718.

Adding to 221040050 its reverse (50040122), we get a palindrome (271080172).

The spelling of 221040050 in words is "two hundred twenty-one million, forty thousand, fifty".