8221936 has 10 divisors (see below), whose sum is σ = 15930032. Its totient is φ = 4110960.

The previous prime is 8221921. The next prime is 8221937. The reversal of 8221936 is 6391228.

It is a super-3 number, since 3×8221936³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8221898 and 8221907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8221937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256920 + ... + 256951.

Almost surely, 2^8221936 is an apocalyptic number.

It is an amenable number.

8221936 is a deficient number, since it is larger than the sum of its proper divisors (7708096).

8221936 is a wasteful number, since it uses less digits than its factorization.

8221936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513879 (or 513873 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 8221936 is about 2867.3918462603. The cubic root of 8221936 is about 201.8326228436.

The spelling of 8221936 in words is "eight million, two hundred twenty-one thousand, nine hundred thirty-six".