2204243340 has 144 divisors (see below), whose sum is σ = 6725680416. Its totient is φ = 539136000.

The previous prime is 2204243323. The next prime is 2204243347. The reversal of 2204243340 is 433424022.

It is a self number, because there is not a number n which added to its sum of digits gives 2204243340.

It is not an unprimeable number, because it can be changed into a prime (2204243347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1834740 + ... + 1835940.

It is an arithmetic number, because the mean of its divisors is an integer number (46706114).

Almost surely, 2^2204243340 is an apocalyptic number.

2204243340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2204243340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3362840208).

2204243340 is an abundant number, since it is smaller than the sum of its proper divisors (4521437076).

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

2204243340 is a wasteful number, since it uses less digits than its factorization.

2204243340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 2204243340 is about 46949.3699638238. The cubic root of 2204243340 is about 1301.4270994681.

Adding to 2204243340 its reverse (433424022), we get a palindrome (2637667362).

The spelling of 2204243340 in words is "two billion, two hundred four million, two hundred forty-three thousand, three hundred forty".