8047220 has 12 divisors (see below), whose sum is σ = 16899204. Its totient is φ = 3218880.

The previous prime is 8047189. The next prime is 8047261. The reversal of 8047220 is 227408.

It can be written as a sum of positive squares in 2 ways, for example, as 1926544 + 6120676 = 1388^2 + 2474^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201161 + ... + 201200.

It is an arithmetic number, because the mean of its divisors is an integer number (1408267).

Almost surely, 2^8047220 is an apocalyptic number.

It is an amenable number.

8047220 is an abundant number, since it is smaller than the sum of its proper divisors (8851984).

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

8047220 is a wasteful number, since it uses less digits than its factorization.

8047220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402370 (or 402368 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 8047220 is about 2836.7622388914. The cubic root of 8047220 is about 200.3927283176.

The spelling of 8047220 in words is "eight million, forty-seven thousand, two hundred twenty".