32243231 has 2 divisors, whose sum is σ = 32243232. Its totient is φ = 32243230.

The previous prime is 32243219. The next prime is 32243257. The reversal of 32243231 is 13234223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32243231 - 2¹⁴ = 32226847 is a prime.

It is a super-2 number, since 2×32243231² = 2079251890638722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32243291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16121615 + 16121616.

It is an arithmetic number, because the mean of its divisors is an integer number (16121616).

Almost surely, 2^32243231 is an apocalyptic number.

32243231 is a deficient number, since it is larger than the sum of its proper divisors (1).

32243231 is an equidigital number, since it uses as much as digits as its factorization.

32243231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 20.

The square root of 32243231 is about 5678.3123373059. The cubic root of 32243231 is about 318.2825666388.

Adding to 32243231 its reverse (13234223), we get a palindrome (45477454).

The spelling of 32243231 in words is "thirty-two million, two hundred forty-three thousand, two hundred thirty-one".