3722819 has 2 divisors, whose sum is σ = 3722820. Its totient is φ = 3722818.

The previous prime is 3722809. The next prime is 3722827. The reversal of 3722819 is 9182273.

3722819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3722819 is a prime.

It is a super-2 number, since 2×3722819² = 27718762613522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3722809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861409 + 1861410.

It is an arithmetic number, because the mean of its divisors is an integer number (1861410).

Almost surely, 2^3722819 is an apocalyptic number.

3722819 is a deficient number, since it is larger than the sum of its proper divisors (1).

3722819 is an equidigital number, since it uses as much as digits as its factorization.

3722819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 3722819 is about 1929.4608055102. The cubic root of 3722819 is about 154.9853472101.

The spelling of 3722819 in words is "three million, seven hundred twenty-two thousand, eight hundred nineteen".