3722143 has 2 divisors, whose sum is σ = 3722144. Its totient is φ = 3722142.

The previous prime is 3722129. The next prime is 3722149. The reversal of 3722143 is 3412273.

It is a strong prime.

It is an emirp because it is prime and its reverse (3412273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3722143 - 2⁹ = 3721631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3722149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861071 + 1861072.

It is an arithmetic number, because the mean of its divisors is an integer number (1861072).

Almost surely, 2^3722143 is an apocalyptic number.

3722143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3722143 is an equidigital number, since it uses as much as digits as its factorization.

3722143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 22.

The square root of 3722143 is about 1929.2856190829. The cubic root of 3722143 is about 154.9759657497.

The spelling of 3722143 in words is "three million, seven hundred twenty-two thousand, one hundred forty-three".