2272813782318 has 64 divisors (see below), whose sum is σ = 5075315136000. Its totient is φ = 753920032320.

The previous prime is 2272813782271. The next prime is 2272813782391. The reversal of 2272813782318 is 8132873182722.

It is a happy number.

2272813782318 is a `hidden beast` number, since 2 + 272 + 8 + 137 + 8 + 231 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10012053 + ... + 10236543.

It is an arithmetic number, because the mean of its divisors is an integer number (79301799000).

Almost surely, 2^{2272813782318} is an apocalyptic number.

2272813782318 is an abundant number, since it is smaller than the sum of its proper divisors (2802501353682).

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

2272813782318 is a wasteful number, since it uses less digits than its factorization.

2272813782318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225414 (or 225408 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The spelling of 2272813782318 in words is "two trillion, two hundred seventy-two billion, eight hundred thirteen million, seven hundred eighty-two thousand, three hundred eighteen".