228144471 has 8 divisors (see below), whose sum is σ = 322086384. Its totient is φ = 143149440.

The previous prime is 228144461. The next prime is 228144473. The reversal of 228144471 is 174441822.

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

It is not a de Polignac number, because 228144471 - 2²⁷ = 93926743 is a prime.

It is a super-3 number, since 3×228144471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228144473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2236660 + ... + 2236761.

It is an arithmetic number, because the mean of its divisors is an integer number (40260798).

Almost surely, 2^228144471 is an apocalyptic number.

228144471 is a deficient number, since it is larger than the sum of its proper divisors (93941913).

228144471 is a wasteful number, since it uses less digits than its factorization.

228144471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473441.

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

The square root of 228144471 is about 15104.4520258101. The cubic root of 228144471 is about 611.0404807982.

The spelling of 228144471 in words is "two hundred twenty-eight million, one hundred forty-four thousand, four hundred seventy-one".