302404222 has 8 divisors (see below), whose sum is σ = 454070736. Its totient is φ = 151047312.

The previous prime is 302404217. The next prime is 302404229. The reversal of 302404222 is 222404203.

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

It is a self number, because there is not a number n which added to its sum of digits gives 302404222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302404229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74943 + ... + 78874.

It is an arithmetic number, because the mean of its divisors is an integer number (56758842).

Almost surely, 2^302404222 is an apocalyptic number.

302404222 is a deficient number, since it is larger than the sum of its proper divisors (151666514).

302404222 is a wasteful number, since it uses less digits than its factorization.

302404222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154802.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 302404222 is about 17389.7734890366. The cubic root of 302404222 is about 671.2164889808.

Subtracting from 302404222 its sum of digits (19), we obtain a palindrome (302404203).

Adding to 302404222 its reverse (222404203), we get a palindrome (524808425).

The spelling of 302404222 in words is "three hundred two million, four hundred four thousand, two hundred twenty-two".