214222531 has 2 divisors, whose sum is σ = 214222532. Its totient is φ = 214222530.

The previous prime is 214222513. The next prime is 214222543. The reversal of 214222531 is 135222412.

It is a happy number.

Together with previous prime (214222513) 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 214222531 - 2⁷ = 214222403 is a prime.

It is a super-2 number, since 2×214222531² = 91782585576091922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (214222501) 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, 107111265 + 107111266.

It is an arithmetic number, because the mean of its divisors is an integer number (107111266).

Almost surely, 2^214222531 is an apocalyptic number.

214222531 is a deficient number, since it is larger than the sum of its proper divisors (1).

214222531 is an equidigital number, since it uses as much as digits as its factorization.

214222531 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 214222531 is about 14636.3428150614. The cubic root of 214222531 is about 598.3496601630.

Adding to 214222531 its reverse (135222412), we get a palindrome (349444943).

The spelling of 214222531 in words is "two hundred fourteen million, two hundred twenty-two thousand, five hundred thirty-one".