4223131 has 8 divisors (see below), whose sum is σ = 4644864. Its totient is φ = 3807720.

The previous prime is 4223117. The next prime is 4223171. The reversal of 4223131 is 1313224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4223131 - 2⁷ = 4223003 is a prime.

It is a super-2 number, since 2×4223131² = 35669670886322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4223171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115 + ... + 2908.

It is an arithmetic number, because the mean of its divisors is an integer number (580608).

Almost surely, 2^4223131 is an apocalyptic number.

4223131 is a deficient number, since it is larger than the sum of its proper divisors (421733).

4223131 is a wasteful number, since it uses less digits than its factorization.

4223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161.

The product of its digits is 144, while the sum is 16.

The square root of 4223131 is about 2055.0257905924. The cubic root of 4223131 is about 161.6385147187.

Adding to 4223131 its reverse (1313224), we get a palindrome (5536355).

It can be divided in two parts, 422 and 3131, that added together give a palindrome (3553).

The spelling of 4223131 in words is "four million, two hundred twenty-three thousand, one hundred thirty-one".