2212222531 has 2 divisors, whose sum is σ = 2212222532. Its totient is φ = 2212222530.

The previous prime is 2212222517. The next prime is 2212222541. The reversal of 2212222531 is 1352222122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2212222531 - 2¹³ = 2212214339 is a prime.

It is a super-2 number, since 2×2212222531² = 9787857053328091922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2212222541) 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, 1106111265 + 1106111266.

It is an arithmetic number, because the mean of its divisors is an integer number (1106111266).

Almost surely, 2^2212222531 is an apocalyptic number.

2212222531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212222531 is an equidigital number, since it uses as much as digits as its factorization.

2212222531 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 2212222531 is about 47034.2697508955. The cubic root of 2212222531 is about 1302.9955636790.

Adding to 2212222531 its reverse (1352222122), we get a palindrome (3564444653).

The spelling of 2212222531 in words is "two billion, two hundred twelve million, two hundred twenty-two thousand, five hundred thirty-one".