28055202 has 32 divisors (see below), whose sum is σ = 67900032. Its totient is φ = 7544064.

The previous prime is 28055201. The next prime is 28055231. The reversal of 28055202 is 20255082.

It is not an unprimeable number, because it can be changed into a prime (28055201) 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 in 15 ways as a sum of consecutive naturals, for example, 18933 + ... + 20360.

It is an arithmetic number, because the mean of its divisors is an integer number (2121876).

Almost surely, 2^28055202 is an apocalyptic number.

28055202 is an abundant number, since it is smaller than the sum of its proper divisors (39844830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28055202 is a wasteful number, since it uses less digits than its factorization.

28055202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39322.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 28055202 is about 5296.7161524854. The cubic root of 28055202 is about 303.8583206957.

The spelling of 28055202 in words is "twenty-eight million, fifty-five thousand, two hundred two".