12220250 has 32 divisors (see below), whose sum is σ = 26148096. Its totient is φ = 4189200.

The previous prime is 12220237. The next prime is 12220253. The reversal of 12220250 is 5202221.

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

It is not an unprimeable number, because it can be changed into a prime (12220253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1742 + ... + 5241.

It is an arithmetic number, because the mean of its divisors is an integer number (817128).

Almost surely, 2^12220250 is an apocalyptic number.

12220250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220250 is an abundant number, since it is smaller than the sum of its proper divisors (13927846).

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

12220250 is an equidigital number, since it uses as much as digits as its factorization.

12220250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007 (or 6997 counting only the distinct ones).

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

The square root of 12220250 is about 3495.7474165048. The cubic root of 12220250 is about 230.3350504337.

Adding to 12220250 its reverse (5202221), we get a palindrome (17422471).

The spelling of 12220250 in words is "twelve million, two hundred twenty thousand, two hundred fifty".