228483287 has 4 divisors (see below), whose sum is σ = 230282496. Its totient is φ = 226684080.

The previous prime is 228483271. The next prime is 228483289. The reversal of 228483287 is 782384822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782384822 = 2 ⋅391192411.

It is a cyclic number.

It is not a de Polignac number, because 228483287 - 2⁴ = 228483271 is a prime.

It is a super-2 number, since 2×228483287² = 104409224876648738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228483289) 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, 899414 + ... + 899667.

It is an arithmetic number, because the mean of its divisors is an integer number (57570624).

Almost surely, 2^228483287 is an apocalyptic number.

228483287 is a deficient number, since it is larger than the sum of its proper divisors (1799209).

228483287 is a wasteful number, since it uses less digits than its factorization.

228483287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799208.

The product of its digits is 344064, while the sum is 44.

The square root of 228483287 is about 15115.6636308169. The cubic root of 228483287 is about 611.3428153798.

The spelling of 228483287 in words is "two hundred twenty-eight million, four hundred eighty-three thousand, two hundred eighty-seven".