2243205272 has 64 divisors (see below), whose sum is σ = 5471884800. Its totient is φ = 835971840.

The previous prime is 2243205259. The next prime is 2243205287. The reversal of 2243205272 is 2725023422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64997 + ... + 93332.

It is an arithmetic number, because the mean of its divisors is an integer number (85498200).

Almost surely, 2^2243205272 is an apocalyptic number.

2243205272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2243205272 is an abundant number, since it is smaller than the sum of its proper divisors (3228679528).

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

2243205272 is a wasteful number, since it uses less digits than its factorization.

2243205272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158376 (or 158372 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 2243205272 is about 47362.4880258628. The cubic root of 2243205272 is about 1309.0503133794.

Adding to 2243205272 its reverse (2725023422), we get a palindrome (4968228694).

The spelling of 2243205272 in words is "two billion, two hundred forty-three million, two hundred five thousand, two hundred seventy-two".