228652144 has 20 divisors (see below), whose sum is σ = 506301424. Its totient is φ = 97993728.

The previous prime is 228652139. The next prime is 228652157. The reversal of 228652144 is 441256822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020657 + ... + 1020880.

Almost surely, 2^228652144 is an apocalyptic number.

It is an amenable number.

228652144 is an abundant number, since it is smaller than the sum of its proper divisors (277649280).

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

228652144 is a wasteful number, since it uses less digits than its factorization.

228652144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041552 (or 2041546 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 228652144 is about 15121.2480966354. The cubic root of 228652144 is about 611.4933794108.

The spelling of 228652144 in words is "two hundred twenty-eight million, six hundred fifty-two thousand, one hundred forty-four".