662231 has 2 divisors, whose sum is σ = 662232. Its totient is φ = 662230.

The previous prime is 662227. The next prime is 662251. The reversal of 662231 is 132266.

It is an a-pointer prime, because the next prime (662251) can be obtained adding 662231 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 662231 - 2² = 662227 is a prime.

It is a super-2 number, since 2×662231² = 877099794722, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 662231.

It is not a weakly prime, because it can be changed into another prime (662251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331115 + 331116.

It is an arithmetic number, because the mean of its divisors is an integer number (331116).

2⁶⁶²²³¹ is an apocalyptic number.

662231 is a deficient number, since it is larger than the sum of its proper divisors (1).

662231 is an equidigital number, since it uses as much as digits as its factorization.

662231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 662231 is about 813.7757676412. The cubic root of 662231 is about 87.1638695954.

Adding to 662231 its reverse (132266), we get a palindrome (794497).

The spelling of 662231 in words is "six hundred sixty-two thousand, two hundred thirty-one".