4224531 has 4 divisors (see below), whose sum is σ = 5632712. Its totient is φ = 2816352.

The previous prime is 4224529. The next prime is 4224541. The reversal of 4224531 is 1354224.

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

It is not a de Polignac number, because 4224531 - 2¹ = 4224529 is a prime.

It is a super-2 number, since 2×4224531² = 35693324339922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4224531 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4224498 and 4224507.

It is not an unprimeable number, because it can be changed into a prime (4224511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704086 + ... + 704091.

It is an arithmetic number, because the mean of its divisors is an integer number (1408178).

Almost surely, 2^4224531 is an apocalyptic number.

4224531 is a deficient number, since it is larger than the sum of its proper divisors (1408181).

4224531 is a wasteful number, since it uses less digits than its factorization.

4224531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408180.

The product of its digits is 960, while the sum is 21.

The square root of 4224531 is about 2055.3663906953. The cubic root of 4224531 is about 161.6563742104.

Adding to 4224531 its reverse (1354224), we get a palindrome (5578755).

The spelling of 4224531 in words is "four million, two hundred twenty-four thousand, five hundred thirty-one".