32216441 has 2 divisors, whose sum is σ = 32216442. Its totient is φ = 32216440.

The previous prime is 32216423. The next prime is 32216467. The reversal of 32216441 is 14461223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32205625 + 10816 = 5675^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 32216441 - 2¹⁸ = 31954297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (32216641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16108220 + 16108221.

It is an arithmetic number, because the mean of its divisors is an integer number (16108221).

Almost surely, 2^32216441 is an apocalyptic number.

It is an amenable number.

32216441 is a deficient number, since it is larger than the sum of its proper divisors (1).

32216441 is an equidigital number, since it uses as much as digits as its factorization.

32216441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 32216441 is about 5675.9528715450. The cubic root of 32216441 is about 318.1943915155.

Adding to 32216441 its reverse (14461223), we get a palindrome (46677664).

It can be divided in two parts, 3221 and 6441, that multiplied together give a triangular number (20746461 = T₆₄₄₁).

The spelling of 32216441 in words is "thirty-two million, two hundred sixteen thousand, four hundred forty-one".