11221850 has 24 divisors (see below), whose sum is σ = 21084960. Its totient is φ = 4443120.

The previous prime is 11221843. The next prime is 11221883. The reversal of 11221850 is 5812211.

It is a happy 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, 4061 + ... + 6239.

It is an arithmetic number, because the mean of its divisors is an integer number (878540).

Almost surely, 2^11221850 is an apocalyptic number.

11221850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221850 is a deficient number, since it is larger than the sum of its proper divisors (9863110).

11221850 is a wasteful number, since it uses less digits than its factorization.

11221850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 11221850 is about 3349.9029836698. The cubic root of 11221850 is about 223.8831900540.

The spelling of 11221850 in words is "eleven million, two hundred twenty-one thousand, eight hundred fifty".