8221952 has 18 divisors (see below), whose sum is σ = 16412298. Its totient is φ = 4110848.

The previous prime is 8221949. The next prime is 8221963. The reversal of 8221952 is 2591228.

It can be written as a sum of positive squares in only one way, i.e., 4596736 + 3625216 = 2144^2 + 1904^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15803 + ... + 16314.

Almost surely, 2^8221952 is an apocalyptic number.

It is an amenable number.

8221952 is a deficient number, since it is larger than the sum of its proper divisors (8190346).

8221952 is an equidigital number, since it uses as much as digits as its factorization.

8221952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32133 (or 32119 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 8221952 is about 2867.3946362508. The cubic root of 8221952 is about 201.8327537665.

The spelling of 8221952 in words is "eight million, two hundred twenty-one thousand, nine hundred fifty-two".