11228490 has 128 divisors (see below), whose sum is σ = 36933120. Its totient is φ = 2363904.

The previous prime is 11228447. The next prime is 11228509. The reversal of 11228490 is 9482211.

11228490 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 (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24342 + ... + 24798.

It is an arithmetic number, because the mean of its divisors is an integer number (288540).

Almost surely, 2^11228490 is an apocalyptic number.

11228490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11228490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18466560).

11228490 is an abundant number, since it is smaller than the sum of its proper divisors (25704630).

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

11228490 is a wasteful number, since it uses less digits than its factorization.

11228490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 11228490 is about 3350.8939105857. The cubic root of 11228490 is about 223.9273387839.

The spelling of 11228490 in words is "eleven million, two hundred twenty-eight thousand, four hundred ninety".