2204863 has 2 divisors, whose sum is σ = 2204864. Its totient is φ = 2204862.

The previous prime is 2204843. The next prime is 2204887. The reversal of 2204863 is 3684022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2204863 - 2⁵ = 2204831 is a prime.

It is a super-2 number, since 2×2204863² = 9722841697538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2204833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102431 + 1102432.

It is an arithmetic number, because the mean of its divisors is an integer number (1102432).

2^2204863 is an apocalyptic number.

2204863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204863 is an equidigital number, since it uses as much as digits as its factorization.

2204863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2204863 is about 1484.8781094757. The cubic root of 2204863 is about 130.1549041050.

Adding to 2204863 its reverse (3684022), we get a palindrome (5888885).

The spelling of 2204863 in words is "two million, two hundred four thousand, eight hundred sixty-three".