2204812 has 24 divisors (see below), whose sum is σ = 4057200. Its totient is φ = 1046976.

The previous prime is 2204809. The next prime is 2204821. The reversal of 2204812 is 2184022.

It is a super-2 number, since 2×2204812² = 9722391910688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2204812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9514 + ... + 9742.

It is an arithmetic number, because the mean of its divisors is an integer number (169050).

2^2204812 is an apocalyptic number.

It is an amenable number.

2204812 is a deficient number, since it is larger than the sum of its proper divisors (1852388).

2204812 is a wasteful number, since it uses less digits than its factorization.

2204812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2204812 is about 1484.8609362496. The cubic root of 2204812 is about 130.1539005731.

Adding to 2204812 its reverse (2184022), we get a palindrome (4388834).

The spelling of 2204812 in words is "two million, two hundred four thousand, eight hundred twelve".