2204454 has 32 divisors (see below), whose sum is σ = 5114880. Its totient is φ = 620352.

The previous prime is 2204453. The next prime is 2204471. The reversal of 2204454 is 4544022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2204454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2707 + ... + 3425.

It is an arithmetic number, because the mean of its divisors is an integer number (159840).

2^2204454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2204454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2557440).

2204454 is an abundant number, since it is smaller than the sum of its proper divisors (2910426).

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

2204454 is a wasteful number, since it uses less digits than its factorization.

2204454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2204454 is about 1484.7403813462. The cubic root of 2204454 is about 130.1468557368.

Adding to 2204454 its reverse (4544022), we get a palindrome (6748476).

The spelling of 2204454 in words is "two million, two hundred four thousand, four hundred fifty-four".