228144702 has 8 divisors (see below), whose sum is σ = 456289416. Its totient is φ = 76048232.

The previous prime is 228144677. The next prime is 228144703. The reversal of 228144702 is 207441822.

It is a sphenic number, since it is the product of 3 distinct primes.

228144702 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 228144702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228144703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19012053 + ... + 19012064.

It is an arithmetic number, because the mean of its divisors is an integer number (57036177).

Almost surely, 2^228144702 is an apocalyptic number.

228144702 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228144702 is a wasteful number, since it uses less digits than its factorization.

228144702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38024122.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 228144702 is about 15104.4596725603. The cubic root of 228144702 is about 611.0406870276.

The spelling of 228144702 in words is "two hundred twenty-eight million, one hundred forty-four thousand, seven hundred two".