2208144 has 40 divisors (see below), whose sum is σ = 5758560. Its totient is φ = 729088.

The previous prime is 2208131. The next prime is 2208203. The reversal of 2208144 is 4418022.

It is a self number, because there is not a number n which added to its sum of digits gives 2208144.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8464 + ... + 8720.

It is an arithmetic number, because the mean of its divisors is an integer number (143964).

2^2208144 is an apocalyptic number.

2208144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2208144 is an abundant number, since it is smaller than the sum of its proper divisors (3550416).

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

2208144 is a wasteful number, since it uses less digits than its factorization.

2208144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2208144 is about 1485.9825032617. The cubic root of 2208144 is about 130.2194321647.

The spelling of 2208144 in words is "two million, two hundred eight thousand, one hundred forty-four".