28752202 has 8 divisors (see below), whose sum is σ = 45665316. Its totient is φ = 13530432.

The previous prime is 28752197. The next prime is 28752211. The reversal of 28752202 is 20225782.

It can be written as a sum of positive squares in 2 ways, for example, as 28740321 + 11881 = 5361^2 + 109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422793 + ... + 422860.

Almost surely, 2^28752202 is an apocalyptic number.

28752202 is a deficient number, since it is larger than the sum of its proper divisors (16913114).

28752202 is a wasteful number, since it uses less digits than its factorization.

28752202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845672.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 28752202 is about 5362.1079810090. The cubic root of 28752202 is about 306.3541047156.

Adding to 28752202 its reverse (20225782), we get a palindrome (48977984).

The spelling of 28752202 in words is "twenty-eight million, seven hundred fifty-two thousand, two hundred two".