11522240 has 28 divisors (see below), whose sum is σ = 27438096. Its totient is φ = 4608768.

The previous prime is 11522219. The next prime is 11522249. The reversal of 11522240 is 4222511.

It is not an unprimeable number, because it can be changed into a prime (11522249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17684 + ... + 18323.

It is an arithmetic number, because the mean of its divisors is an integer number (979932).

Almost surely, 2^11522240 is an apocalyptic number.

11522240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11522240 is an abundant number, since it is smaller than the sum of its proper divisors (15915856).

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

11522240 is an equidigital number, since it uses as much as digits as its factorization.

11522240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36024 (or 36014 counting only the distinct ones).

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

The square root of 11522240 is about 3394.4425168207. The cubic root of 11522240 is about 225.8632843210.

Adding to 11522240 its product of nonzero digits (160), we get a triangular number (11522400 = T₄₈₀₀).

Adding to 11522240 its reverse (4222511), we get a palindrome (15744751).

The spelling of 11522240 in words is "eleven million, five hundred twenty-two thousand, two hundred forty".