32642231 has 2 divisors, whose sum is σ = 32642232. Its totient is φ = 32642230.

The previous prime is 32642201. The next prime is 32642237. The reversal of 32642231 is 13224623.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32642231 - 2⁶ = 32642167 is a prime.

It is a super-2 number, since 2×32642231² = 2131030489314722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 32642197 and 32642206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32642237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16321115 + 16321116.

It is an arithmetic number, because the mean of its divisors is an integer number (16321116).

Almost surely, 2^32642231 is an apocalyptic number.

32642231 is a deficient number, since it is larger than the sum of its proper divisors (1).

32642231 is an equidigital number, since it uses as much as digits as its factorization.

32642231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 32642231 is about 5713.3379910522. The cubic root of 32642231 is about 319.5900707963.

Adding to 32642231 its reverse (13224623), we get a palindrome (45866854).

The spelling of 32642231 in words is "thirty-two million, six hundred forty-two thousand, two hundred thirty-one".