2243445231 has 16 divisors (see below), whose sum is σ = 3222005760. Its totient is φ = 1384452960.

The previous prime is 2243445227. The next prime is 2243445233. The reversal of 2243445231 is 1325443422.

2243445231 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2243445231 - 2² = 2243445227 is a prime.

It is a super-2 number, since 2×2243445231² = 10066093008993286722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243445233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522276 + ... + 526553.

It is an arithmetic number, because the mean of its divisors is an integer number (201375360).

Almost surely, 2^2243445231 is an apocalyptic number.

2243445231 is a deficient number, since it is larger than the sum of its proper divisors (978560529).

2243445231 is a wasteful number, since it uses less digits than its factorization.

2243445231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048886.

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

The square root of 2243445231 is about 47365.0211759691. The cubic root of 2243445231 is about 1309.0969887340.

Adding to 2243445231 its reverse (1325443422), we get a palindrome (3568888653).

The spelling of 2243445231 in words is "two billion, two hundred forty-three million, four hundred forty-five thousand, two hundred thirty-one".