220022022212 has 6 divisors (see below), whose sum is σ = 385038538878. Its totient is φ = 110011011104.

The previous prime is 220022022179. The next prime is 220022022247. The reversal of 220022022212 is 212220220022.

It can be written as a sum of positive squares in only one way, i.e., 218038566916 + 1983455296 = 466946^2 + 44536^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27502752773 + ... + 27502752780.

It is an arithmetic number, because the mean of its divisors is an integer number (64173089813).

Almost surely, 2^220022022212 is an apocalyptic number.

It is an amenable number.

220022022212 is a deficient number, since it is larger than the sum of its proper divisors (165016516666).

220022022212 is a wasteful number, since it uses less digits than its factorization.

220022022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55005505557 (or 55005505555 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 220022022212 its reverse (212220220022), we get a palindrome (432242242234).

The spelling of 220022022212 in words is "two hundred twenty billion, twenty-two million, twenty-two thousand, two hundred twelve".