202272128 has 16 divisors (see below), whose sum is σ = 402964260. Its totient is φ = 101136000.

The previous prime is 202272127. The next prime is 202272139. The reversal of 202272128 is 821272202.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 202272097 and 202272106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202272127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789998 + ... + 790253.

Almost surely, 2^202272128 is an apocalyptic number.

It is an amenable number.

202272128 is a deficient number, since it is larger than the sum of its proper divisors (200692132).

202272128 is an equidigital number, since it uses as much as digits as its factorization.

202272128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580265 (or 1580253 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 202272128 is about 14222.2406110992. The cubic root of 202272128 is about 587.0097946817.

The spelling of 202272128 in words is "two hundred two million, two hundred seventy-two thousand, one hundred twenty-eight".