228671451 has 16 divisors (see below), whose sum is σ = 353502720. Its totient is φ = 145819080.

The previous prime is 228671449. The next prime is 228671459. The reversal of 228671451 is 154176822.

It is not a de Polignac number, because 228671451 - 2¹ = 228671449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228671459) 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, 183495 + ... + 184736.

It is an arithmetic number, because the mean of its divisors is an integer number (22093920).

Almost surely, 2^228671451 is an apocalyptic number.

228671451 is a deficient number, since it is larger than the sum of its proper divisors (124831269).

228671451 is a wasteful number, since it uses less digits than its factorization.

228671451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368263 (or 368257 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 228671451 is about 15121.8864894563. The cubic root of 228671451 is about 611.5105900817.

It can be divided in two parts, 2286 and 71451, that added together give a palindrome (73737).

The spelling of 228671451 in words is "two hundred twenty-eight million, six hundred seventy-one thousand, four hundred fifty-one".