11222240 has 24 divisors (see below), whose sum is σ = 26512920. Its totient is φ = 4488832.

The previous prime is 11222219. The next prime is 11222243. The reversal of 11222240 is 4222211.

11222240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34910 + ... + 35229.

It is an arithmetic number, because the mean of its divisors is an integer number (1104705).

Almost surely, 2^11222240 is an apocalyptic number.

11222240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222240 is an abundant number, since it is smaller than the sum of its proper divisors (15290680).

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

11222240 is an equidigital number, since it uses as much as digits as its factorization.

11222240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70154 (or 70146 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 11222240 is about 3349.9611938051. The cubic root of 11222240 is about 223.8857836083.

Adding to 11222240 its reverse (4222211), we get a palindrome (15444451).

The spelling of 11222240 in words is "eleven million, two hundred twenty-two thousand, two hundred forty".