4224731 has 16 divisors (see below), whose sum is σ = 5016000. Its totient is φ = 3556224.

The previous prime is 4224719. The next prime is 4224733. The reversal of 4224731 is 1374224.

It is not a de Polignac number, because 4224731 - 2⁶ = 4224667 is a prime.

It is a super-2 number, since 2×4224731² = 35696704044722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4224697 and 4224706.

It is not an unprimeable number, because it can be changed into a prime (4224733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37331 + ... + 37443.

It is an arithmetic number, because the mean of its divisors is an integer number (313500).

Almost surely, 2^4224731 is an apocalyptic number.

4224731 is a deficient number, since it is larger than the sum of its proper divisors (791269).

4224731 is a wasteful number, since it uses less digits than its factorization.

4224731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 229 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 4224731 is about 2055.4150432455. The cubic root of 4224731 is about 161.6589252443.

Adding to 4224731 its reverse (1374224), we get a palindrome (5598955).

The spelling of 4224731 in words is "four million, two hundred twenty-four thousand, seven hundred thirty-one".