2272443543 has 6 divisors (see below), whose sum is σ = 3282418464. Its totient is φ = 1514962356.

The previous prime is 2272443487. The next prime is 2272443557. The reversal of 2272443543 is 3453442722.

2272443543 is a `hidden beast` number, since 2 + 2 + 72 + 4 + 43 + 543 = 666.

It is not a de Polignac number, because 2272443543 - 2⁹ = 2272443031 is a prime.

It is a super-2 number, since 2×2272443543² = 10327999312244785698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2272443498 and 2272443507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272443583) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126246855 + ... + 126246872.

It is an arithmetic number, because the mean of its divisors is an integer number (547069744).

Almost surely, 2^2272443543 is an apocalyptic number.

2272443543 is a deficient number, since it is larger than the sum of its proper divisors (1009974921).

2272443543 is a wasteful number, since it uses less digits than its factorization.

2272443543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252493733 (or 252493730 counting only the distinct ones).

The product of its digits is 161280, while the sum is 36.

The square root of 2272443543 is about 47670.1535869143. The cubic root of 2272443543 is about 1314.7132325375.

The spelling of 2272443543 in words is "two billion, two hundred seventy-two million, four hundred forty-three thousand, five hundred forty-three".