228144741 has 16 divisors (see below), whose sum is σ = 332106240. Its totient is φ = 138161520.

The previous prime is 228144727. The next prime is 228144767. The reversal of 228144741 is 147441822.

It is not a de Polignac number, because 228144741 - 2⁶ = 228144677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228144781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67080 + ... + 70398.

It is an arithmetic number, because the mean of its divisors is an integer number (20756640).

Almost surely, 2^228144741 is an apocalyptic number.

It is an amenable number.

228144741 is a deficient number, since it is larger than the sum of its proper divisors (103961499).

228144741 is a wasteful number, since it uses less digits than its factorization.

228144741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416.

The product of its digits is 14336, while the sum is 33.

The square root of 228144741 is about 15104.4609635697. The cubic root of 228144741 is about 611.0407218456.

The spelling of 228144741 in words is "two hundred twenty-eight million, one hundred forty-four thousand, seven hundred forty-one".