228204502 has 4 divisors (see below), whose sum is σ = 342306756. Its totient is φ = 114102250.

The previous prime is 228204499. The next prime is 228204503. The reversal of 228204502 is 205402822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 205402822 = 2 ⋅102701411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228204503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57051124 + ... + 57051127.

It is an arithmetic number, because the mean of its divisors is an integer number (85576689).

Almost surely, 2^228204502 is an apocalyptic number.

228204502 is a deficient number, since it is larger than the sum of its proper divisors (114102254).

228204502 is a wasteful number, since it uses less digits than its factorization.

228204502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114102253.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 228204502 is about 15106.4390906659. The cubic root of 228204502 is about 611.0940698744.

The spelling of 228204502 in words is "two hundred twenty-eight million, two hundred four thousand, five hundred two".