4420242 has 24 divisors (see below), whose sum is σ = 9837516. Its totient is φ = 1433376.

The previous prime is 4420231. The next prime is 4420249. The reversal of 4420242 is 2420244.

4420242 is a `hidden beast` number, since 4 + 420 + 242 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4372281 + 47961 = 2091^2 + 219^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4420249) 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, 2653 + ... + 3984.

Almost surely, 2^4420242 is an apocalyptic number.

4420242 is an abundant number, since it is smaller than the sum of its proper divisors (5417274).

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

4420242 is a wasteful number, since it uses less digits than its factorization.

4420242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6682 (or 6679 counting only the distinct ones).

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

The square root of 4420242 is about 2102.4371572059. The cubic root of 4420242 is about 164.1151531137.

Adding to 4420242 its reverse (2420244), we get a palindrome (6840486).

It can be divided in two parts, 44202 and 42, that added together give a palindrome (44244).

The spelling of 4420242 in words is "four million, four hundred twenty thousand, two hundred forty-two".