4242122 has 16 divisors (see below), whose sum is σ = 6586272. Its totient is φ = 2047920.

The previous prime is 4242109. The next prime is 4242127. The reversal of 4242122 is 2212424.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4242122.

It is not an unprimeable number, because it can be changed into a prime (4242127) 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, 8972 + ... + 9432.

It is an arithmetic number, because the mean of its divisors is an integer number (411642).

Almost surely, 2^4242122 is an apocalyptic number.

4242122 is a deficient number, since it is larger than the sum of its proper divisors (2344150).

4242122 is a wasteful number, since it uses less digits than its factorization.

4242122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613.

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

The square root of 4242122 is about 2059.6412308944. The cubic root of 4242122 is about 161.8804432113.

Adding to 4242122 its reverse (2212424), we get a palindrome (6454546).

The spelling of 4242122 in words is "four million, two hundred forty-two thousand, one hundred twenty-two".