2278204 has 12 divisors (see below), whose sum is σ = 4221504. Its totient is φ = 1072064.

The previous prime is 2278189. The next prime is 2278207. The reversal of 2278204 is 4028722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278207) 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, 16684 + ... + 16819.

It is an arithmetic number, because the mean of its divisors is an integer number (351792).

2^2278204 is an apocalyptic number.

It is an amenable number.

2278204 is a deficient number, since it is larger than the sum of its proper divisors (1943300).

2278204 is a wasteful number, since it uses less digits than its factorization.

2278204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33524 (or 33522 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2278204 is about 1509.3720548626. The cubic root of 2278204 is about 131.5823191725.

The spelling of 2278204 in words is "two million, two hundred seventy-eight thousand, two hundred four".