2272816509643 has 4 divisors (see below), whose sum is σ = 2272981136800. Its totient is φ = 2272651882488.

The previous prime is 2272816509611. The next prime is 2272816509647. The reversal of 2272816509643 is 3469056182722.

It is a happy number.

2272816509643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2272816509643 - 2⁵ = 2272816509611 is a prime.

It is a super-2 number, since 2×2272816509643² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2272816509647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82292868 + ... + 82320481.

It is an arithmetic number, because the mean of its divisors is an integer number (568245284200).

It is a 1-persistent number, because it is pandigital, but 2⋅2272816509643 = 4545633019286 is not.

Almost surely, 2^{2272816509643} is an apocalyptic number.

2272816509643 is a deficient number, since it is larger than the sum of its proper divisors (164627157).

2272816509643 is a wasteful number, since it uses less digits than its factorization.

2272816509643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164627156.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 2272816509643 in words is "two trillion, two hundred seventy-two billion, eight hundred sixteen million, five hundred nine thousand, six hundred forty-three".