2220332228 has 6 divisors (see below), whose sum is σ = 3885581406. Its totient is φ = 1110166112.

The previous prime is 2220332221. The next prime is 2220332239. The reversal of 2220332228 is 8222330222.

It can be written as a sum of positive squares in only one way, i.e., 2196047044 + 24285184 = 46862^2 + 4928^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2220332197 and 2220332206.

It is not an unprimeable number, because it can be changed into a prime (2220332221) 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 as a sum of consecutive naturals, namely, 277541525 + ... + 277541532.

It is an arithmetic number, because the mean of its divisors is an integer number (647596901).

Almost surely, 2^2220332228 is an apocalyptic number.

It is an amenable number.

2220332228 is a deficient number, since it is larger than the sum of its proper divisors (1665249178).

2220332228 is a wasteful number, since it uses less digits than its factorization.

2220332228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555083061 (or 555083059 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 2220332228 is about 47120.4013989694. The cubic root of 2220332228 is about 1304.5858215973.

The spelling of 2220332228 in words is "two billion, two hundred twenty million, three hundred thirty-two thousand, two hundred twenty-eight".