2028322228 has 24 divisors (see below), whose sum is σ = 3607457672. Its totient is φ = 997691904.

The previous prime is 2028322217. The next prime is 2028322259. The reversal of 2028322228 is 8222238202.

It can be written as a sum of positive squares in 4 ways, for example, as 43797924 + 1984524304 = 6618^2 + 44548^2 .

It is a super-2 number, since 2×2028322228² = 8228182121197767968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2028322228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107176 + ... + 124672.

Almost surely, 2^2028322228 is an apocalyptic number.

It is an amenable number.

2028322228 is a deficient number, since it is larger than the sum of its proper divisors (1579135444).

2028322228 is a wasteful number, since it uses less digits than its factorization.

2028322228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17971 (or 17969 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 2028322228 is about 45036.8985166608. The cubic root of 2028322228 is about 1265.8404904574.

The spelling of 2028322228 in words is "two billion, twenty-eight million, three hundred twenty-two thousand, two hundred twenty-eight".