8223516 has 36 divisors (see below), whose sum is σ = 23757552. Its totient is φ = 2349504.

The previous prime is 8223499. The next prime is 8223541. The reversal of 8223516 is 6153228.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8223516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16065 + ... + 16568.

It is an arithmetic number, because the mean of its divisors is an integer number (659932).

Almost surely, 2^8223516 is an apocalyptic number.

It is an amenable number.

8223516 is an abundant number, since it is smaller than the sum of its proper divisors (15534036).

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

8223516 is a wasteful number, since it uses less digits than its factorization.

8223516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32650 (or 32645 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 8223516 is about 2867.6673447246. The cubic root of 8223516 is about 201.8455506633.

The spelling of 8223516 in words is "eight million, two hundred twenty-three thousand, five hundred sixteen".