221210950 has 24 divisors (see below), whose sum is σ = 412207992. Its totient is φ = 88321920.

The previous prime is 221210917. The next prime is 221210993. The reversal of 221210950 is 59012122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25582 + ... + 33118.

It is an arithmetic number, because the mean of its divisors is an integer number (17175333).

Almost surely, 2^221210950 is an apocalyptic number.

221210950 is a deficient number, since it is larger than the sum of its proper divisors (190997042).

221210950 is a wasteful number, since it uses less digits than its factorization.

221210950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8136 (or 8131 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 221210950 is about 14873.1620713283. The cubic root of 221210950 is about 604.7866652150.

The spelling of 221210950 in words is "two hundred twenty-one million, two hundred ten thousand, nine hundred fifty".