228241761 has 16 divisors (see below), whose sum is σ = 332267520. Its totient is φ = 138211920.

The previous prime is 228241757. The next prime is 228241771. The reversal of 228241761 is 167142822.

228241761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228241761 - 2² = 228241757 is a prime.

It is a super-2 number, since 2×228241761² = 104188602928762242, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (228241751) 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, 52800 + ... + 56958.

It is an arithmetic number, because the mean of its divisors is an integer number (20766720).

Almost surely, 2^228241761 is an apocalyptic number.

It is an amenable number.

228241761 is a deficient number, since it is larger than the sum of its proper divisors (104025759).

228241761 is a wasteful number, since it uses less digits than its factorization.

228241761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836.

The product of its digits is 10752, while the sum is 33.

The square root of 228241761 is about 15107.6722561750. The cubic root of 228241761 is about 611.1273258863.

The spelling of 228241761 in words is "two hundred twenty-eight million, two hundred forty-one thousand, seven hundred sixty-one".