7228788221876 has 36 divisors (see below), whose sum is σ = 13698934285932. Its totient is φ = 3336219005184.

The previous prime is 7228788221861. The next prime is 7228788221881. The reversal of 7228788221876 is 6781228878227.

It can be written as a sum of positive squares in 6 ways, for example, as 381009907600 + 6847778314276 = 617260^2 + 2616826^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16218416 + ... + 16658168.

It is an arithmetic number, because the mean of its divisors is an integer number (380525952387).

Almost surely, 2^{7228788221876} is an apocalyptic number.

It is an amenable number.

7228788221876 is a deficient number, since it is larger than the sum of its proper divisors (6470146064056).

7228788221876 is a wasteful number, since it uses less digits than its factorization.

7228788221876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464100 (or 464085 counting only the distinct ones).

The product of its digits is 134873088, while the sum is 68.

The spelling of 7228788221876 in words is "seven trillion, two hundred twenty-eight billion, seven hundred eighty-eight million, two hundred twenty-one thousand, eight hundred seventy-six".