11422440 has 48 divisors (see below), whose sum is σ = 37124100. Its totient is φ = 3045888.

The previous prime is 11422427. The next prime is 11422451. The reversal of 11422440 is 4422411.

11422440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10929636 + 492804 = 3306^2 + 702^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15505 + ... + 16224.

Almost surely, 2^11422440 is an apocalyptic number.

11422440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11422440 is an abundant number, since it is smaller than the sum of its proper divisors (25701660).

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

11422440 is a wasteful number, since it uses less digits than its factorization.

11422440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31746 (or 31739 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 11422440 is about 3379.7100467348. The cubic root of 11422440 is about 225.2092867503.

Adding to 11422440 its reverse (4422411), we get a palindrome (15844851).

The spelling of 11422440 in words is "eleven million, four hundred twenty-two thousand, four hundred forty".