2220220231 has 2 divisors, whose sum is σ = 2220220232. Its totient is φ = 2220220230.

The previous prime is 2220220201. The next prime is 2220220241. The reversal of 2220220231 is 1320220222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220220231 is a prime.

It is a super-2 number, since 2×2220220231² = 9858755748283386722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220220201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110110115 + 1110110116.

It is an arithmetic number, because the mean of its divisors is an integer number (1110110116).

Almost surely, 2^2220220231 is an apocalyptic number.

2220220231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220220231 is an equidigital number, since it uses as much as digits as its factorization.

2220220231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2220220231 is about 47119.2129709315. The cubic root of 2220220231 is about 1304.5638861180.

Adding to 2220220231 its reverse (1320220222), we get a palindrome (3540440453).

Subtracting from 2220220231 its reverse (1320220222), we obtain a palindrome (900000009).

The spelling of 2220220231 in words is "two billion, two hundred twenty million, two hundred twenty thousand, two hundred thirty-one".