2272776668 has 6 divisors (see below), whose sum is σ = 3977359176. Its totient is φ = 1136388332.

The previous prime is 2272776659. The next prime is 2272776683. The reversal of 2272776668 is 8666772722.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284097080 + ... + 284097087.

It is an arithmetic number, because the mean of its divisors is an integer number (662893196).

Almost surely, 2^2272776668 is an apocalyptic number.

It is an amenable number.

2272776668 is a deficient number, since it is larger than the sum of its proper divisors (1704582508).

2272776668 is a wasteful number, since it uses less digits than its factorization.

2272776668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568194171 (or 568194169 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 53.

The square root of 2272776668 is about 47673.6475214557. The cubic root of 2272776668 is about 1314.7774721161. Note that the first 3 decimals are identical.

The spelling of 2272776668 in words is "two billion, two hundred seventy-two million, seven hundred seventy-six thousand, six hundred sixty-eight".