4220140231 has 4 divisors (see below), whose sum is σ = 4468383792. Its totient is φ = 3971896672.

The previous prime is 4220140193. The next prime is 4220140273. The reversal of 4220140231 is 1320410224.

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

It is a cyclic number.

It is not a de Polignac number, because 4220140231 - 2¹¹ = 4220138183 is a prime.

It is a super-2 number, since 2×4220140231² = 35619167138609466722, 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 = 4220140199 and 4220140208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220140831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124121755 + ... + 124121788.

It is an arithmetic number, because the mean of its divisors is an integer number (1117095948).

Almost surely, 2^4220140231 is an apocalyptic number.

4220140231 is a deficient number, since it is larger than the sum of its proper divisors (248243561).

4220140231 is a wasteful number, since it uses less digits than its factorization.

4220140231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248243560.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4220140231 is about 64962.6064055315. The cubic root of 4220140231 is about 1616.0034891061.

Adding to 4220140231 its reverse (1320410224), we get a palindrome (5540550455).

The spelling of 4220140231 in words is "four billion, two hundred twenty million, one hundred forty thousand, two hundred thirty-one".