228332427 has 16 divisors (see below), whose sum is σ = 310728960. Its totient is φ = 149088992.

The previous prime is 228332413. The next prime is 228332459. The reversal of 228332427 is 724233822.

228332427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 228332427 - 2¹⁶ = 228266891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228332227) 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, 140224 + ... + 141842.

It is an arithmetic number, because the mean of its divisors is an integer number (19420560).

Almost surely, 2^228332427 is an apocalyptic number.

228332427 is a deficient number, since it is larger than the sum of its proper divisors (82396533).

228332427 is a wasteful number, since it uses less digits than its factorization.

228332427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562.

The product of its digits is 32256, while the sum is 33.

The square root of 228332427 is about 15110.6726190464. The cubic root of 228332427 is about 611.2082359043.

The spelling of 228332427 in words is "two hundred twenty-eight million, three hundred thirty-two thousand, four hundred twenty-seven".