302223434221 has 16 divisors (see below), whose sum is σ = 304857302400. Its totient is φ = 299600730880.

The previous prime is 302223434159. The next prime is 302223434281. The reversal of 302223434221 is 122434322203.

It is a cyclic number.

It is not a de Polignac number, because 302223434221 - 2¹⁷ = 302223303149 is a prime.

It is a super-2 number, since 2×302223434221² (a number of 24 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 302223434221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302223434281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133313130 + ... + 133315396.

It is an arithmetic number, because the mean of its divisors is an integer number (19053581400).

Almost surely, 2^302223434221 is an apocalyptic number.

It is an amenable number.

302223434221 is a deficient number, since it is larger than the sum of its proper divisors (2633868179).

302223434221 is a wasteful number, since it uses less digits than its factorization.

302223434221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 302223434221 its reverse (122434322203), we get a palindrome (424657756424).

The spelling of 302223434221 in words is "three hundred two billion, two hundred twenty-three million, four hundred thirty-four thousand, two hundred twenty-one".