2182819 has 2 divisors, whose sum is σ = 2182820. Its totient is φ = 2182818.

The previous prime is 2182813. The next prime is 2182841. The reversal of 2182819 is 9182812.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2182819 - 2³ = 2182811 is a prime.

It is a super-2 number, since 2×2182819² = 9529397573522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2182811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1091409 + 1091410.

It is an arithmetic number, because the mean of its divisors is an integer number (1091410).

2^2182819 is an apocalyptic number.

2182819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2182819 is an equidigital number, since it uses as much as digits as its factorization.

2182819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 31.

The square root of 2182819 is about 1477.4366314668. The cubic root of 2182819 is about 129.7196918875.

The spelling of 2182819 in words is "two million, one hundred eighty-two thousand, eight hundred nineteen".