2221425131 has 2 divisors, whose sum is σ = 2221425132. Its totient is φ = 2221425130.

The previous prime is 2221425083. The next prime is 2221425161. The reversal of 2221425131 is 1315241222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221425131 - 2²⁶ = 2154316267 is a prime.

It is a super-2 number, since 2×2221425131² = 9869459225276734322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221425097 and 2221425106.

It is not a weakly prime, because it can be changed into another prime (2221425161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110712565 + 1110712566.

It is an arithmetic number, because the mean of its divisors is an integer number (1110712566).

Almost surely, 2^2221425131 is an apocalyptic number.

2221425131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221425131 is an equidigital number, since it uses as much as digits as its factorization.

2221425131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 23.

The square root of 2221425131 is about 47131.9968917083. The cubic root of 2221425131 is about 1304.7998363993.

Adding to 2221425131 its reverse (1315241222), we get a palindrome (3536666353).

The spelling of 2221425131 in words is "two billion, two hundred twenty-one million, four hundred twenty-five thousand, one hundred thirty-one".