302222222022 has 128 divisors (see below), whose sum is σ = 770304245760. Its totient is φ = 76954544640.

The previous prime is 302222222017. The next prime is 302222222083. The reversal of 302222222022 is 220222222203.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 302222222022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36447697 + ... + 36455987.

It is an arithmetic number, because the mean of its divisors is an integer number (6018001920).

Almost surely, 2^302222222022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302222222022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385152122880).

302222222022 is an abundant number, since it is smaller than the sum of its proper divisors (468082023738).

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

302222222022 is a wasteful number, since it uses less digits than its factorization.

302222222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11026.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 302222222022 its reverse (220222222203), we get a palindrome (522444444225).

The spelling of 302222222022 in words is "three hundred two billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty-two".