4224838 has 4 divisors (see below), whose sum is σ = 6337260. Its totient is φ = 2112418.

The previous prime is 4224827. The next prime is 4224839. The reversal of 4224838 is 8384224.

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

It is a super-2 number, since 2×4224838² = 35698512252488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056208 + ... + 1056211.

It is an arithmetic number, because the mean of its divisors is an integer number (1584315).

Almost surely, 2^4224838 is an apocalyptic number.

4224838 is a deficient number, since it is larger than the sum of its proper divisors (2112422).

4224838 is a wasteful number, since it uses less digits than its factorization.

4224838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112421.

The product of its digits is 12288, while the sum is 31.

The square root of 4224838 is about 2055.4410718870. The cubic root of 4224838 is about 161.6602900143.

The spelling of 4224838 in words is "four million, two hundred twenty-four thousand, eight hundred thirty-eight".