228141647 has 8 divisors (see below), whose sum is σ = 232141392. Its totient is φ = 224150400.

The previous prime is 228141643. The next prime is 228141691. The reversal of 228141647 is 746141822.

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

It is a cyclic number.

It is not a de Polignac number, because 228141647 - 2² = 228141643 is a prime.

It is a super-2 number, since 2×228141647² = 104097222191745218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228141643) 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, 77303 + ... + 80199.

It is an arithmetic number, because the mean of its divisors is an integer number (29017674).

Almost surely, 2^228141647 is an apocalyptic number.

228141647 is a deficient number, since it is larger than the sum of its proper divisors (3999745).

228141647 is a wasteful number, since it uses less digits than its factorization.

228141647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249.

The product of its digits is 21504, while the sum is 35.

The square root of 228141647 is about 15104.3585431491. The cubic root of 228141647 is about 611.0379596100.

The spelling of 228141647 in words is "two hundred twenty-eight million, one hundred forty-one thousand, six hundred forty-seven".