2202128 has 10 divisors (see below), whose sum is σ = 4266654. Its totient is φ = 1101056.

The previous prime is 2202121. The next prime is 2202131. The reversal of 2202128 is 8212022.

It can be written as a sum of positive squares in only one way, i.e., 2166784 + 35344 = 1472^2 + 188^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68801 + ... + 68832.

2^2202128 is an apocalyptic number.

It is an amenable number.

2202128 is a deficient number, since it is larger than the sum of its proper divisors (2064526).

2202128 is a wasteful number, since it uses less digits than its factorization.

2202128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137641 (or 137635 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2202128 is about 1483.9568726887. The cubic root of 2202128 is about 130.1010653930.

Adding to 2202128 its product of nonzero digits (128), we get a square (2202256 = 1484²).

The spelling of 2202128 in words is "two million, two hundred two thousand, one hundred twenty-eight".