4422840 has 32 divisors (see below), whose sum is σ = 13268880. Its totient is φ = 1179392.

The previous prime is 4422829. The next prime is 4422853. The reversal of 4422840 is 482244.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4422840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18309 + ... + 18548.

Almost surely, 2^4422840 is an apocalyptic number.

4422840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4422840 is an abundant number, since it is smaller than the sum of its proper divisors (8846040).

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

4422840 is a wasteful number, since it uses less digits than its factorization.

4422840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36871 (or 36867 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 4422840 is about 2103.0549208235. The cubic root of 4422840 is about 164.1472997444.

The spelling of 4422840 in words is "four million, four hundred twenty-two thousand, eight hundred forty".