4223542531 has 8 divisors (see below), whose sum is σ = 4610738720. Its totient is φ = 3845247552.

The previous prime is 4223542507. The next prime is 4223542541. The reversal of 4223542531 is 1352453224.

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

It is not a de Polignac number, because 4223542531 - 2⁷ = 4223542403 is a prime.

It is a super-2 number, since 2×4223542531² = 35676623022331771922, 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 = 4223542493 and 4223542502.

It is not an unprimeable number, because it can be changed into a prime (4223542541) 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, 2224311 + ... + 2226208.

It is an arithmetic number, because the mean of its divisors is an integer number (576342340).

Almost surely, 2^4223542531 is an apocalyptic number.

4223542531 is a deficient number, since it is larger than the sum of its proper divisors (387196189).

4223542531 is a wasteful number, since it uses less digits than its factorization.

4223542531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450605.

The product of its digits is 28800, while the sum is 31.

The square root of 4223542531 is about 64988.7877329621. The cubic root of 4223542531 is about 1616.4376493860.

Adding to 4223542531 its reverse (1352453224), we get a palindrome (5575995755).

The spelling of 4223542531 in words is "four billion, two hundred twenty-three million, five hundred forty-two thousand, five hundred thirty-one".