7828228286 has 4 divisors (see below), whose sum is σ = 11742342432. Its totient is φ = 3914114142.

The previous prime is 7828228267. The next prime is 7828228297. The reversal of 7828228286 is 6828228287.

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

It is a super-2 number, since 2×7828228286² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1957057070 + ... + 1957057073.

It is an arithmetic number, because the mean of its divisors is an integer number (2935585608).

Almost surely, 2^7828228286 is an apocalyptic number.

7828228286 is a deficient number, since it is larger than the sum of its proper divisors (3914114146).

7828228286 is a wasteful number, since it uses less digits than its factorization.

7828228286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914114145.

The product of its digits is 2752512, while the sum is 53.

The square root of 7828228286 is about 88477.2755344557. The cubic root of 7828228286 is about 1985.5820009175.

Subtracting from 7828228286 its reverse (6828228287), we obtain a palindrome (999999999).

The spelling of 7828228286 in words is "seven billion, eight hundred twenty-eight million, two hundred twenty-eight thousand, two hundred eighty-six".