32216669 has 2 divisors, whose sum is σ = 32216670. Its totient is φ = 32216668.

The previous prime is 32216641. The next prime is 32216671. The reversal of 32216669 is 96661223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21576025 + 10640644 = 4645^2 + 3262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32216669 is a prime.

It is a super-2 number, since 2×32216669² = 2075827522911122, which contains 22 as substring.

Together with 32216671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32216689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16108334 + 16108335.

It is an arithmetic number, because the mean of its divisors is an integer number (16108335).

Almost surely, 2^32216669 is an apocalyptic number.

It is an amenable number.

32216669 is a deficient number, since it is larger than the sum of its proper divisors (1).

32216669 is an equidigital number, since it uses as much as digits as its factorization.

32216669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 32216669 is about 5675.9729562428. The cubic root of 32216669 is about 318.1951421483.

The spelling of 32216669 in words is "thirty-two million, two hundred sixteen thousand, six hundred sixty-nine".