8122280 has 16 divisors (see below), whose sum is σ = 18275220. Its totient is φ = 3248896.

The previous prime is 8122273. The next prime is 8122307. The reversal of 8122280 is 822218.

It can be written as a sum of positive squares in 2 ways, for example, as 7806436 + 315844 = 2794^2 + 562^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101489 + ... + 101568.

Almost surely, 2^8122280 is an apocalyptic number.

It is an amenable number.

8122280 is an abundant number, since it is smaller than the sum of its proper divisors (10152940).

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

8122280 is a wasteful number, since it uses less digits than its factorization.

8122280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203068 (or 203064 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 8122280 is about 2849.9614032474. The cubic root of 8122280 is about 201.0138518378.

Adding to 8122280 its reverse (822218), we get a palindrome (8944498).

The spelling of 8122280 in words is "eight million, one hundred twenty-two thousand, two hundred eighty".