11228090 has 16 divisors (see below), whose sum is σ = 20397960. Its totient is φ = 4449600.

The previous prime is 11228089. The next prime is 11228167. The reversal of 11228090 is 9082211.

It can be written as a sum of positive squares in 4 ways, for example, as 11175649 + 52441 = 3343^2 + 229^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4061 + ... + 6240.

Almost surely, 2^11228090 is an apocalyptic number.

11228090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11228090 is a deficient number, since it is larger than the sum of its proper divisors (9169870).

11228090 is a wasteful number, since it uses less digits than its factorization.

11228090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10417.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 11228090 is about 3350.8342244880. The cubic root of 11228090 is about 223.9246797146.

The spelling of 11228090 in words is "eleven million, two hundred twenty-eight thousand, ninety".