2220042031 has 2 divisors, whose sum is σ = 2220042032. Its totient is φ = 2220042030.

The previous prime is 2220042001. The next prime is 2220042037. The reversal of 2220042031 is 1302400222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220042031 is a prime.

It is a super-2 number, since 2×2220042031² = 9857173238813209922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220041996 and 2220042014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220042037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110021015 + 1110021016.

It is an arithmetic number, because the mean of its divisors is an integer number (1110021016).

Almost surely, 2^2220042031 is an apocalyptic number.

2220042031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220042031 is an equidigital number, since it uses as much as digits as its factorization.

2220042031 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 2220042031 is about 47117.3219845950. The cubic root of 2220042031 is about 1304.5289827480.

Adding to 2220042031 its reverse (1302400222), we get a palindrome (3522442253).

The spelling of 2220042031 in words is "two billion, two hundred twenty million, forty-two thousand, thirty-one".