222425131 has 2 divisors, whose sum is σ = 222425132. Its totient is φ = 222425130.

The previous prime is 222425113. The next prime is 222425141. The reversal of 222425131 is 131524222.

It is a happy number.

Together with previous prime (222425113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222425131 - 2¹³ = 222416939 is a prime.

It is a super-2 number, since 2×222425131² = 98945877800734322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222425141) 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, 111212565 + 111212566.

It is an arithmetic number, because the mean of its divisors is an integer number (111212566).

Almost surely, 2^222425131 is an apocalyptic number.

222425131 is a deficient number, since it is larger than the sum of its proper divisors (1).

222425131 is an equidigital number, since it uses as much as digits as its factorization.

222425131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 22.

The square root of 222425131 is about 14913.9240644439. The cubic root of 222425131 is about 605.8911630543.

Adding to 222425131 its reverse (131524222), we get a palindrome (353949353).

Subtracting from 222425131 its reverse (131524222), we obtain a palindrome (90900909).

The spelling of 222425131 in words is "two hundred twenty-two million, four hundred twenty-five thousand, one hundred thirty-one".