228136254 has 16 divisors (see below), whose sum is σ = 470991360. Its totient is φ = 73592280.

The previous prime is 228136253. The next prime is 228136289. The reversal of 228136254 is 452631822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228136253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613084 + ... + 613455.

It is an arithmetic number, because the mean of its divisors is an integer number (29436960).

Almost surely, 2^228136254 is an apocalyptic number.

228136254 is an abundant number, since it is smaller than the sum of its proper divisors (242855106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228136254 is a wasteful number, since it uses less digits than its factorization.

228136254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226575.

The product of its digits is 23040, while the sum is 33.

The square root of 228136254 is about 15104.1800174654. The cubic root of 228136254 is about 611.0331448327.

The spelling of 228136254 in words is "two hundred twenty-eight million, one hundred thirty-six thousand, two hundred fifty-four".