2204947 has 4 divisors (see below), whose sum is σ = 2207920. Its totient is φ = 2201976.

The previous prime is 2204933. The next prime is 2204953. The reversal of 2204947 is 7494022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2204947 - 2¹¹ = 2202899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2204977) 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, 658 + ... + 2200.

It is an arithmetic number, because the mean of its divisors is an integer number (551980).

2^2204947 is an apocalyptic number.

2204947 is a deficient number, since it is larger than the sum of its proper divisors (2973).

2204947 is a wasteful number, since it uses less digits than its factorization.

2204947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2204947 is about 1484.9063943562. The cubic root of 2204947 is about 130.1565569474.

Adding to 2204947 its reverse (7494022), we get a palindrome (9698969).

The spelling of 2204947 in words is "two million, two hundred four thousand, nine hundred forty-seven".