228144202 has 32 divisors (see below), whose sum is σ = 406607040. Its totient is φ = 94638720.

The previous prime is 228144173. The next prime is 228144281. The reversal of 228144202 is 202441822.

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 15 ways as a sum of consecutive naturals, for example, 20973 + ... + 29935.

It is an arithmetic number, because the mean of its divisors is an integer number (12706470).

Almost surely, 2^228144202 is an apocalyptic number.

228144202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228144202 is a deficient number, since it is larger than the sum of its proper divisors (178462838).

228144202 is a wasteful number, since it uses less digits than its factorization.

228144202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9078.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 228144202 is about 15104.4431211482. The cubic root of 228144202 is about 611.0402406434.

The spelling of 228144202 in words is "two hundred twenty-eight million, one hundred forty-four thousand, two hundred two".