10302303221 has 16 divisors (see below), whose sum is σ = 12571705344. Its totient is φ = 8250170544.

The previous prime is 10302303217. The next prime is 10302303241. The reversal of 10302303221 is 12230320301.

10302303221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10302303221 - 2² = 10302303217 is a prime.

It is a super-2 number, since 2×10302303221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10302303221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302303241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737141 + ... + 750986.

It is an arithmetic number, because the mean of its divisors is an integer number (785731584).

Almost surely, 2^10302303221 is an apocalyptic number.

It is an amenable number.

10302303221 is a deficient number, since it is larger than the sum of its proper divisors (2269402123).

10302303221 is a wasteful number, since it uses less digits than its factorization.

10302303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488200.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10302303221 its reverse (12230320301), we get a palindrome (22532623522).

The spelling of 10302303221 in words is "ten billion, three hundred two million, three hundred three thousand, two hundred twenty-one".