2205544 has 32 divisors (see below), whose sum is σ = 4587840. Its totient is φ = 985600.

The previous prime is 2205527. The next prime is 2205547. The reversal of 2205544 is 4455022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2205547) 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, 6072 + ... + 6424.

It is an arithmetic number, because the mean of its divisors is an integer number (143370).

2^2205544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2293920).

2205544 is an abundant number, since it is smaller than the sum of its proper divisors (2382296).

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

2205544 is a wasteful number, since it uses less digits than its factorization.

2205544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2205544 is about 1485.1074035234. The cubic root of 2205544 is about 130.1683027252.

The spelling of 2205544 in words is "two million, two hundred five thousand, five hundred forty-four".