302242140221 has 8 divisors (see below), whose sum is σ = 345635894400. Its totient is φ = 258902462448.

The previous prime is 302242140199. The next prime is 302242140257. The reversal of 302242140221 is 122041242203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 302242140221 - 2¹⁰ = 302242139197 is a prime.

It is a super-2 number, since 2×302242140221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302242140721) 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 7 ways as a sum of consecutive naturals, for example, 13507121 + ... + 13529478.

It is an arithmetic number, because the mean of its divisors is an integer number (43204486800).

Almost surely, 2^302242140221 is an apocalyptic number.

It is an amenable number.

302242140221 is a deficient number, since it is larger than the sum of its proper divisors (43393754179).

302242140221 is a wasteful number, since it uses less digits than its factorization.

302242140221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27038203.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 302242140221 its reverse (122041242203), we get a palindrome (424283382424).

The spelling of 302242140221 in words is "three hundred two billion, two hundred forty-two million, one hundred forty thousand, two hundred twenty-one".