302213122220 has 24 divisors (see below), whose sum is σ = 635418730464. Its totient is φ = 120738358656.

The previous prime is 302213122213. The next prime is 302213122261. The reversal of 302213122220 is 22221312203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 302213122192 and 302213122201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9163769 + ... + 9196688.

It is an arithmetic number, because the mean of its divisors is an integer number (26475780436).

Almost surely, 2^302213122220 is an apocalyptic number.

It is an amenable number.

302213122220 is an abundant number, since it is smaller than the sum of its proper divisors (333205608244).

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

302213122220 is a wasteful number, since it uses less digits than its factorization.

302213122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18361289 (or 18361287 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 302213122220 its reverse (22221312203), we get a palindrome (324434434423).

The spelling of 302213122220 in words is "three hundred two billion, two hundred thirteen million, one hundred twenty-two thousand, two hundred twenty".