8223442 has 4 divisors (see below), whose sum is σ = 12335166. Its totient is φ = 4111720.

The previous prime is 8223421. The next prime is 8223451. The reversal of 8223442 is 2443228.

8223442 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5157441 + 3066001 = 2271^2 + 1751^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055859 + ... + 2055862.

Almost surely, 2^8223442 is an apocalyptic number.

8223442 is a deficient number, since it is larger than the sum of its proper divisors (4111724).

8223442 is a wasteful number, since it uses less digits than its factorization.

8223442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111723.

The product of its digits is 3072, while the sum is 25.

The square root of 8223442 is about 2867.6544422228. The cubic root of 8223442 is about 201.8449452201.

The spelling of 8223442 in words is "eight million, two hundred twenty-three thousand, four hundred forty-two".