214444331 has 2 divisors, whose sum is σ = 214444332. Its totient is φ = 214444330.

The previous prime is 214444313. The next prime is 214444369. The reversal of 214444331 is 133444412.

Together with previous prime (214444313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214444331 - 2¹⁴ = 214427947 is a prime.

It is a super-2 number, since 2×214444331² = 91972742196075122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214444331.

It is not a weakly prime, because it can be changed into another prime (214444301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107222165 + 107222166.

It is an arithmetic number, because the mean of its divisors is an integer number (107222166).

Almost surely, 2^214444331 is an apocalyptic number.

214444331 is a deficient number, since it is larger than the sum of its proper divisors (1).

214444331 is an equidigital number, since it uses as much as digits as its factorization.

214444331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 26.

The square root of 214444331 is about 14643.9178842276. The cubic root of 214444331 is about 598.5560937527.

Adding to 214444331 its reverse (133444412), we get a palindrome (347888743).

The spelling of 214444331 in words is "two hundred fourteen million, four hundred forty-four thousand, three hundred thirty-one".