302120440022 has 8 divisors (see below), whose sum is σ = 453186653976. Its totient is φ = 151058222032.

The previous prime is 302120440021. The next prime is 302120440049. The reversal of 302120440022 is 220044021203.

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

It is a junction number, because it is equal to n+sod(n) for n = 302120439976 and 302120440003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302120440021) 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 3 ways as a sum of consecutive naturals, for example, 802223 + ... + 1117050.

It is an arithmetic number, because the mean of its divisors is an integer number (56648331747).

Almost surely, 2^302120440022 is an apocalyptic number.

302120440022 is a deficient number, since it is larger than the sum of its proper divisors (151066213954).

302120440022 is a wasteful number, since it uses less digits than its factorization.

302120440022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997982.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 302120440022 its reverse (220044021203), we get a palindrome (522164461225).

The spelling of 302120440022 in words is "three hundred two billion, one hundred twenty million, four hundred forty thousand, twenty-two".