8220010 has 16 divisors (see below), whose sum is σ = 15666696. Its totient is φ = 3094528.

The previous prime is 8219983. The next prime is 8220013. The reversal of 8220010 is 100228.

It can be written as a sum of positive squares in 4 ways, for example, as 5631129 + 2588881 = 2373^2 + 1609^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8220013) 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, 24007 + ... + 24346.

Almost surely, 2^8220010 is an apocalyptic number.

8220010 is a deficient number, since it is larger than the sum of its proper divisors (7446686).

8220010 is a wasteful number, since it uses less digits than its factorization.

8220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48377.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 8220010 is about 2867.0559813160. The cubic root of 8220010 is about 201.8168617548.

Adding to 8220010 its reverse (100228), we get a palindrome (8320238).

The spelling of 8220010 in words is "eight million, two hundred twenty thousand, ten".