228144463 has 4 divisors (see below), whose sum is σ = 228395808. Its totient is φ = 227893120.

The previous prime is 228144461. The next prime is 228144473. The reversal of 228144463 is 364441822.

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

It is a cyclic number.

It is not a de Polignac number, because 228144463 - 2¹ = 228144461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228144461) 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, 124306 + ... + 126127.

It is an arithmetic number, because the mean of its divisors is an integer number (57098952).

Almost surely, 2^228144463 is an apocalyptic number.

228144463 is a deficient number, since it is larger than the sum of its proper divisors (251345).

228144463 is an equidigital number, since it uses as much as digits as its factorization.

228144463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251344.

The product of its digits is 36864, while the sum is 34.

The square root of 228144463 is about 15104.4517609876. The cubic root of 228144463 is about 611.0404736561.

The spelling of 228144463 in words is "two hundred twenty-eight million, one hundred forty-four thousand, four hundred sixty-three".