4122440 has 32 divisors (see below), whose sum is σ = 10601280. Its totient is φ = 1413312.

The previous prime is 4122421. The next prime is 4122479. The reversal of 4122440 is 442214.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7082 + ... + 7641.

It is an arithmetic number, because the mean of its divisors is an integer number (331290).

Almost surely, 2^4122440 is an apocalyptic number.

4122440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4122440 is an abundant number, since it is smaller than the sum of its proper divisors (6478840).

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

4122440 is a wasteful number, since it uses less digits than its factorization.

4122440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14741 (or 14737 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4122440 is about 2030.3792749139. The cubic root of 4122440 is about 160.3435327134.

Adding to 4122440 its reverse (442214), we get a palindrome (4564654).

The spelling of 4122440 in words is "four million, one hundred twenty-two thousand, four hundred forty".