221050050 has 48 divisors (see below), whose sum is σ = 590378880. Its totient is φ = 54411840.

The previous prime is 221050021. The next prime is 221050061. The reversal of 221050050 is 50050122.

221050050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 54730 + ... + 58629.

It is an arithmetic number, because the mean of its divisors is an integer number (12299560).

Almost surely, 2^221050050 is an apocalyptic number.

221050050 is an abundant number, since it is smaller than the sum of its proper divisors (369328830).

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

221050050 is a wasteful number, since it uses less digits than its factorization.

221050050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113387 (or 113382 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 221050050 is about 14867.7520156882. The cubic root of 221050050 is about 604.6399971030.

The spelling of 221050050 in words is "two hundred twenty-one million, fifty thousand, fifty".