28355202 has 12 divisors (see below), whose sum is σ = 61436310. Its totient is φ = 9451728.

The previous prime is 28355161. The next prime is 28355213. The reversal of 28355202 is 20255382.

It can be written as a sum of positive squares in only one way, i.e., 25190361 + 3164841 = 5019^2 + 1779^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 787627 + ... + 787662.

Almost surely, 2^28355202 is an apocalyptic number.

28355202 is an abundant number, since it is smaller than the sum of its proper divisors (33081108).

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

28355202 is a wasteful number, since it uses less digits than its factorization.

28355202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575297 (or 1575294 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 28355202 is about 5324.9602815420. The cubic root of 28355202 is about 304.9375559703.

The spelling of 28355202 in words is "twenty-eight million, three hundred fifty-five thousand, two hundred two".