2243205426 has 64 divisors (see below), whose sum is σ = 5677009920. Its totient is φ = 573946560.

The previous prime is 2243205383. The next prime is 2243205427. The reversal of 2243205426 is 6245023422.

It is a junction number, because it is equal to n+sod(n) for n = 2243205393 and 2243205402.

It is not an unprimeable number, because it can be changed into a prime (2243205427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5281 + ... + 67188.

It is an arithmetic number, because the mean of its divisors is an integer number (88703280).

Almost surely, 2^2243205426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243205426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2838504960).

2243205426 is an abundant number, since it is smaller than the sum of its proper divisors (3433804494).

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

2243205426 is a wasteful number, since it uses less digits than its factorization.

2243205426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72559.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2243205426 is about 47362.4896516220. The cubic root of 2243205426 is about 1309.0503433356.

Adding to 2243205426 its reverse (6245023422), we get a palindrome (8488228848).

The spelling of 2243205426 in words is "two billion, two hundred forty-three million, two hundred five thousand, four hundred twenty-six".