11282240 has 28 divisors (see below), whose sum is σ = 26866596. Its totient is φ = 4512768.

The previous prime is 11282231. The next prime is 11282251. The reversal of 11282240 is 4228211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1597696 + 9684544 = 1264^2 + 3112^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17309 + ... + 17948.

Almost surely, 2^11282240 is an apocalyptic number.

11282240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11282240 is an abundant number, since it is smaller than the sum of its proper divisors (15584356).

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

11282240 is an equidigital number, since it uses as much as digits as its factorization.

11282240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35274 (or 35264 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 11282240 is about 3358.9045833426. The cubic root of 11282240 is about 224.2840783531.

The spelling of 11282240 in words is "eleven million, two hundred eighty-two thousand, two hundred forty".