8221403310 has 16 divisors (see below), whose sum is σ = 19731368016. Its totient is φ = 2192374208.

The previous prime is 8221403263. The next prime is 8221403327. The reversal of 8221403310 is 133041228.

It is a super-2 number, since 2×8221403310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137023359 + ... + 137023418.

It is an arithmetic number, because the mean of its divisors is an integer number (1233210501).

Almost surely, 2^8221403310 is an apocalyptic number.

8221403310 is an abundant number, since it is smaller than the sum of its proper divisors (11509964706).

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

8221403310 is a wasteful number, since it uses less digits than its factorization.

8221403310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274046787.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 8221403310 is about 90671.9543739959. The cubic root of 8221403310 is about 2018.2826391314.

Adding to 8221403310 its reverse (133041228), we get a palindrome (8354444538).

The spelling of 8221403310 in words is "eight billion, two hundred twenty-one million, four hundred three thousand, three hundred ten".