228144302 has 4 divisors (see below), whose sum is σ = 342216456. Its totient is φ = 114072150.

The previous prime is 228144289. The next prime is 228144311. The reversal of 228144302 is 203441822.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×228144302³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57036074 + ... + 57036077.

It is an arithmetic number, because the mean of its divisors is an integer number (85554114).

Almost surely, 2^228144302 is an apocalyptic number.

228144302 is a deficient number, since it is larger than the sum of its proper divisors (114072154).

228144302 is a wasteful number, since it uses less digits than its factorization.

228144302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114072153.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 228144302 is about 15104.4464314320. The cubic root of 228144302 is about 611.0403299203.

The spelling of 228144302 in words is "two hundred twenty-eight million, one hundred forty-four thousand, three hundred two".