2220231331 has 8 divisors (see below), whose sum is σ = 2453043744. Its totient is φ = 1998775680.

The previous prime is 2220231323. The next prime is 2220231337. The reversal of 2220231331 is 1331320222.

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

It is not a de Polignac number, because 2220231331 - 2³ = 2220231323 is a prime.

It is a super-2 number, since 2×2220231331² = 9858854326308063122, 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 = 2220231299 and 2220231308.

It is not an unprimeable number, because it can be changed into a prime (2220231337) 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, 2838780 + ... + 2839561.

It is an arithmetic number, because the mean of its divisors is an integer number (306630468).

Almost surely, 2^2220231331 is an apocalyptic number.

2220231331 is a deficient number, since it is larger than the sum of its proper divisors (232812413).

2220231331 is a wasteful number, since it uses less digits than its factorization.

2220231331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678381.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2220231331 is about 47119.3307571319. The cubic root of 2220231331 is about 1304.5660601718.

Adding to 2220231331 its reverse (1331320222), we get a palindrome (3551551553).

The spelling of 2220231331 in words is "two billion, two hundred twenty million, two hundred thirty-one thousand, three hundred thirty-one".