2204442 has 16 divisors (see below), whose sum is σ = 4898880. Its totient is φ = 734796.

The previous prime is 2204431. The next prime is 2204443. The reversal of 2204442 is 2444022.

2204442 is a `hidden beast` number, since 220 + 4 + 442 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2204443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20358 + ... + 20465.

It is an arithmetic number, because the mean of its divisors is an integer number (306180).

2^2204442 is an apocalyptic number.

2204442 is an abundant number, since it is smaller than the sum of its proper divisors (2694438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2204442 is a wasteful number, since it uses less digits than its factorization.

2204442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40834 (or 40828 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2204442 is about 1484.7363402301. The cubic root of 2204442 is about 130.1466195838.

Adding to 2204442 its reverse (2444022), we get a palindrome (4648464).

The spelling of 2204442 in words is "two million, two hundred four thousand, four hundred forty-two".