28252202 has 16 divisors (see below), whose sum is σ = 48664800. Its totient is φ = 12165840.

The previous prime is 28252199. The next prime is 28252207. The reversal of 28252202 is 20225282.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28252207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33377 + ... + 34212.

It is an arithmetic number, because the mean of its divisors is an integer number (3041550).

Almost surely, 2^28252202 is an apocalyptic number.

28252202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28252202 is a deficient number, since it is larger than the sum of its proper divisors (20412598).

28252202 is a wasteful number, since it uses less digits than its factorization.

28252202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67621.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 28252202 is about 5315.2800490661. The cubic root of 28252202 is about 304.5678804091.

Adding to 28252202 its reverse (20225282), we get a palindrome (48477484).

The spelling of 28252202 in words is "twenty-eight million, two hundred fifty-two thousand, two hundred two".