4220242 has 16 divisors (see below), whose sum is σ = 7176960. Its totient is φ = 1845072.

The previous prime is 4220239. The next prime is 4220243. The reversal of 4220242 is 2420224.

It is not an unprimeable number, because it can be changed into a prime (4220243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3778 + ... + 4765.

It is an arithmetic number, because the mean of its divisors is an integer number (448560).

Almost surely, 2^4220242 is an apocalyptic number.

4220242 is a deficient number, since it is larger than the sum of its proper divisors (2956718).

4220242 is a wasteful number, since it uses less digits than its factorization.

4220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8577.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4220242 is about 2054.3227594514. The cubic root of 4220242 is about 161.6016479017.

Adding to 4220242 its reverse (2420224), we get a palindrome (6640466).

The spelling of 4220242 in words is "four million, two hundred twenty thousand, two hundred forty-two".