8228778 has 16 divisors (see below), whose sum is σ = 16728096. Its totient is φ = 2697840.

The previous prime is 8228777. The next prime is 8228797. The reversal of 8228778 is 8778228.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8228777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10876 + ... + 11607.

It is an arithmetic number, because the mean of its divisors is an integer number (1045506).

Almost surely, 2^8228778 is an apocalyptic number.

8228778 is an abundant number, since it is smaller than the sum of its proper divisors (8499318).

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

8228778 is a wasteful number, since it uses less digits than its factorization.

8228778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22549.

The product of its digits is 100352, while the sum is 42.

The square root of 8228778 is about 2868.5846684384. The cubic root of 8228778 is about 201.8885932755. Note that the first 3 decimals are identical.

The spelling of 8228778 in words is "eight million, two hundred twenty-eight thousand, seven hundred seventy-eight".