2823219 has 24 divisors (see below), whose sum is σ = 4778592. Its totient is φ = 1572480.

The previous prime is 2823217. The next prime is 2823221. The reversal of 2823219 is 9123282.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2823217) and next prime (2823221).

It is not a de Polignac number, because 2823219 - 2¹ = 2823217 is a prime.

It is a super-2 number, since 2×2823219² = 15941131043922, which contains 22 as substring.

It is an Ulam number.

2823219 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2823192 and 2823201.

It is not an unprimeable number, because it can be changed into a prime (2823217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2037 + ... + 3129.

It is an arithmetic number, because the mean of its divisors is an integer number (199108).

2^2823219 is an apocalyptic number.

2823219 is a deficient number, since it is larger than the sum of its proper divisors (1955373).

2823219 is a wasteful number, since it uses less digits than its factorization.

2823219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1144 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2823219 is about 1680.2437323198. The cubic root of 2823219 is about 141.3345008260.

The spelling of 2823219 in words is "two million, eight hundred twenty-three thousand, two hundred nineteen".