4240422 has 24 divisors (see below), whose sum is σ = 9437376. Its totient is φ = 1375056.

The previous prime is 4240421. The next prime is 4240433. The reversal of 4240422 is 2240424.

4240422 is a `hidden beast` number, since 4 + 240 + 422 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 4240395 and 4240404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2518 + ... + 3849.

It is an arithmetic number, because the mean of its divisors is an integer number (393224).

Almost surely, 2^4240422 is an apocalyptic number.

4240422 is an abundant number, since it is smaller than the sum of its proper divisors (5196954).

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

4240422 is a wasteful number, since it uses less digits than its factorization.

4240422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412 (or 6409 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4240422 is about 2059.2284963063. The cubic root of 4240422 is about 161.8588161794.

Adding to 4240422 its reverse (2240424), we get a palindrome (6480846).

The spelling of 4240422 in words is "four million, two hundred forty thousand, four hundred twenty-two".