2204819 has 4 divisors (see below), whose sum is σ = 2235096. Its totient is φ = 2174544.

The previous prime is 2204809. The next prime is 2204821. The reversal of 2204819 is 9184022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2204819 - 2¹⁶ = 2139283 is a prime.

It is a super-2 number, since 2×2204819² = 9722453645522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15029 + ... + 15174.

It is an arithmetic number, because the mean of its divisors is an integer number (558774).

2^2204819 is an apocalyptic number.

2204819 is a deficient number, since it is larger than the sum of its proper divisors (30277).

2204819 is an equidigital number, since it uses as much as digits as its factorization.

2204819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30276.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2204819 is about 1484.8632933708. The cubic root of 2204819 is about 130.1540383137.

The spelling of 2204819 in words is "two million, two hundred four thousand, eight hundred nineteen".