8223012 has 96 divisors (see below), whose sum is σ = 24864000. Its totient is φ = 2301696.

The previous prime is 8222999. The next prime is 8223013. The reversal of 8223012 is 2103228.

Added to its reverse (2103228) it gives a triangular number (10326240 = T₄₅₄₄).

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8223013) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 55114 + ... + 55262.

It is an arithmetic number, because the mean of its divisors is an integer number (259000).

Almost surely, 2^8223012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8223012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12432000).

8223012 is an abundant number, since it is smaller than the sum of its proper divisors (16640988).

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

8223012 is a wasteful number, since it uses less digits than its factorization.

8223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 8223012 is about 2867.5794670767. The cubic root of 8223012 is about 201.8414270323.

Adding to 8223012 its reverse (2103228), we get a triangular number (10326240 = T₄₅₄₄).

The spelling of 8223012 in words is "eight million, two hundred twenty-three thousand, twelve".