4242022 has 4 divisors (see below), whose sum is σ = 6363036. Its totient is φ = 2121010.

The previous prime is 4242019. The next prime is 4242023. The reversal of 4242022 is 2202424.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 4241987 and 4242005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060504 + ... + 1060507.

It is an arithmetic number, because the mean of its divisors is an integer number (1590759).

Almost surely, 2^4242022 is an apocalyptic number.

4242022 is a deficient number, since it is larger than the sum of its proper divisors (2121014).

4242022 is a wasteful number, since it uses less digits than its factorization.

4242022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121013.

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

The square root of 4242022 is about 2059.6169546787. The cubic root of 4242022 is about 161.8791711929.

Adding to 4242022 its reverse (2202424), we get a palindrome (6444446).

The spelling of 4242022 in words is "four million, two hundred forty-two thousand, twenty-two".