8221203 has 8 divisors (see below), whose sum is σ = 12179600. Its totient is φ = 5480784.

The previous prime is 8221177. The next prime is 8221211. The reversal of 8221203 is 3021228.

It is a happy number.

It is not a de Polignac number, because 8221203 - 2⁶ = 8221139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8221223) 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 7 ways as a sum of consecutive naturals, for example, 152218 + ... + 152271.

It is an arithmetic number, because the mean of its divisors is an integer number (1522450).

Almost surely, 2^8221203 is an apocalyptic number.

8221203 is a deficient number, since it is larger than the sum of its proper divisors (3958397).

8221203 is a wasteful number, since it uses less digits than its factorization.

8221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304498 (or 304492 counting only the distinct ones).

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

The square root of 8221203 is about 2867.2640269079. The cubic root of 8221203 is about 201.8266247547.

It can be divided in two parts, 822 and 1203, that added together give a square (2025 = 45²).

The spelling of 8221203 in words is "eight million, two hundred twenty-one thousand, two hundred three".