7228840775 has 96 divisors (see below), whose sum is σ = 10544325120. Its totient is φ = 4872890880.

The previous prime is 7228840763. The next prime is 7228840777. The reversal of 7228840775 is 5770488227.

7228840775 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7228840775 - 2⁶ = 7228840711 is a prime.

It is a super-2 number, since 2×7228840775² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7228840777) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16317704 + ... + 16318146.

It is an arithmetic number, because the mean of its divisors is an integer number (109836720).

Almost surely, 2^7228840775 is an apocalyptic number.

7228840775 is a deficient number, since it is larger than the sum of its proper divisors (3315484345).

7228840775 is a wasteful number, since it uses less digits than its factorization.

7228840775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 50.

The square root of 7228840775 is about 85022.5897923605. The cubic root of 7228840775 is about 1933.5536178017.

The spelling of 7228840775 in words is "seven billion, two hundred twenty-eight million, eight hundred forty thousand, seven hundred seventy-five".