3722171 has 2 divisors, whose sum is σ = 3722172. Its totient is φ = 3722170.

The previous prime is 3722149. The next prime is 3722177. The reversal of 3722171 is 1712273.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3722171 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3722177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861085 + 1861086.

It is an arithmetic number, because the mean of its divisors is an integer number (1861086).

Almost surely, 2^3722171 is an apocalyptic number.

3722171 is a deficient number, since it is larger than the sum of its proper divisors (1).

3722171 is an equidigital number, since it uses as much as digits as its factorization.

3722171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588, while the sum is 23.

The square root of 3722171 is about 1929.2928756412. The cubic root of 3722171 is about 154.9763543534.

The spelling of 3722171 in words is "three million, seven hundred twenty-two thousand, one hundred seventy-one".