228465527 has 4 divisors (see below), whose sum is σ = 229867320. Its totient is φ = 227063736.

The previous prime is 228465469. The next prime is 228465553. The reversal of 228465527 is 725564822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228465527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228465577) 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, 700652 + ... + 700977.

It is an arithmetic number, because the mean of its divisors is an integer number (57466830).

Almost surely, 2^228465527 is an apocalyptic number.

228465527 is a deficient number, since it is larger than the sum of its proper divisors (1401793).

228465527 is a wasteful number, since it uses less digits than its factorization.

228465527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401792.

The product of its digits is 268800, while the sum is 41.

The square root of 228465527 is about 15115.0761493285. The cubic root of 228465527 is about 611.3269750823.

The spelling of 228465527 in words is "two hundred twenty-eight million, four hundred sixty-five thousand, five hundred twenty-seven".