11245220 has 48 divisors (see below), whose sum is σ = 27578880. Its totient is φ = 3771264.

The previous prime is 11245187. The next prime is 11245259. The reversal of 11245220 is 2254211.

11245220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5726 + ... + 7434.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 2^11245220 is an apocalyptic number.

11245220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11245220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13789440).

11245220 is an abundant number, since it is smaller than the sum of its proper divisors (16333660).

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

11245220 is a wasteful number, since it uses less digits than its factorization.

11245220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 11245220 is about 3353.3893302150. The cubic root of 11245220 is about 224.0384978475.

Adding to 11245220 its reverse (2254211), we get a palindrome (13499431).

The spelling of 11245220 in words is "eleven million, two hundred forty-five thousand, two hundred twenty".