8213062220 has 24 divisors (see below), whose sum is σ = 18815379408. Its totient is φ = 2986568000.

The previous prime is 8213062217. The next prime is 8213062241. The reversal of 8213062220 is 222603128.

It is a self number, because there is not a number n which added to its sum of digits gives 8213062220.

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, 18665831 + ... + 18666270.

It is an arithmetic number, because the mean of its divisors is an integer number (783974142).

Almost surely, 2^8213062220 is an apocalyptic number.

It is an amenable number.

8213062220 is an abundant number, since it is smaller than the sum of its proper divisors (10602317188).

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

8213062220 is a wasteful number, since it uses less digits than its factorization.

8213062220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37332121 (or 37332119 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 8213062220 is about 90625.9467260894. The cubic root of 8213062220 is about 2017.5998532790.

Adding to 8213062220 its reverse (222603128), we get a palindrome (8435665348).

The spelling of 8213062220 in words is "eight billion, two hundred thirteen million, sixty-two thousand, two hundred twenty".