228254571 has 8 divisors (see below), whose sum is σ = 338154960. Its totient is φ = 152169696.

The previous prime is 228254557. The next prime is 228254573. The reversal of 228254571 is 175452822.

It is a happy number.

228254571 is a `hidden beast` number, since 2 + 2 + 82 + 5 + 4 + 571 = 666.

It is not a de Polignac number, because 228254571 - 2²¹ = 226157419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228254573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4226910 + ... + 4226963.

It is an arithmetic number, because the mean of its divisors is an integer number (42269370).

Almost surely, 2^228254571 is an apocalyptic number.

228254571 is a deficient number, since it is larger than the sum of its proper divisors (109900389).

228254571 is an equidigital number, since it uses as much as digits as its factorization.

228254571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453882 (or 8453876 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 228254571 is about 15108.0962070011. The cubic root of 228254571 is about 611.1387587847.

The spelling of 228254571 in words is "two hundred twenty-eight million, two hundred fifty-four thousand, five hundred seventy-one".