4224642 has 32 divisors (see below), whose sum is σ = 8792064. Its totient is φ = 1352400.

The previous prime is 4224637. The next prime is 4224667. The reversal of 4224642 is 2464224.

It is a d-powerful number, because it can be written as 4⁶ + 2 + 2⁵ + 4⁷ + 6⁵ + 4¹¹ + 2¹¹ .

4224642 is a modest number, since divided by 4642 gives 422 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19917 + ... + 20127.

It is an arithmetic number, because the mean of its divisors is an integer number (274752).

Almost surely, 2^4224642 is an apocalyptic number.

4224642 is an abundant number, since it is smaller than the sum of its proper divisors (4567422).

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

4224642 is a wasteful number, since it uses less digits than its factorization.

4224642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334.

The product of its digits is 3072, while the sum is 24.

The square root of 4224642 is about 2055.3933930029. The cubic root of 4224642 is about 161.6577900441.

Adding to 4224642 its reverse (2464224), we get a palindrome (6688866).

The spelling of 4224642 in words is "four million, two hundred twenty-four thousand, six hundred forty-two".