2243345256 has 96 divisors (see below), whose sum is σ = 6284678400. Its totient is φ = 722165760.

The previous prime is 2243345249. The next prime is 2243345309. The reversal of 2243345256 is 6525433422.

2243345256 is a `hidden beast` number, since 22 + 43 + 345 + 256 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2243345256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1715755 + ... + 1717061.

It is an arithmetic number, because the mean of its divisors is an integer number (65465400).

Almost surely, 2^2243345256 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 2243345256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3142339200).

2243345256 is an abundant number, since it is smaller than the sum of its proper divisors (4041333144).

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

2243345256 is a wasteful number, since it uses less digits than its factorization.

2243345256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119 (or 2112 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 2243345256 is about 47363.9657967954. The cubic root of 2243345256 is about 1309.0775426139.

Adding to 2243345256 its reverse (6525433422), we get a palindrome (8768778678).

The spelling of 2243345256 in words is "two billion, two hundred forty-three million, three hundred forty-five thousand, two hundred fifty-six".