228241479 has 24 divisors (see below), whose sum is σ = 316036080. Its totient is φ = 146450304.

The previous prime is 228241469. The next prime is 228241501. The reversal of 228241479 is 974142822.

It is a happy number.

228241479 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 228241479 - 2⁹ = 228240967 is a prime.

It is a super-2 number, since 2×228241479² = 104188345472214882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228241469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1797114 + ... + 1797240.

It is an arithmetic number, because the mean of its divisors is an integer number (13168170).

Almost surely, 2^228241479 is an apocalyptic number.

228241479 is a deficient number, since it is larger than the sum of its proper divisors (87794601).

228241479 is an equidigital number, since it uses as much as digits as its factorization.

228241479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 272 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 228241479 is about 15107.6629231658. The cubic root of 228241479 is about 611.1270741970.

The spelling of 228241479 in words is "two hundred twenty-eight million, two hundred forty-one thousand, four hundred seventy-nine".