228134425 has 24 divisors (see below), whose sum is σ = 307400960. Its totient is φ = 167313600.

The previous prime is 228134377. The next prime is 228134443. The reversal of 228134425 is 524431822.

It is not a de Polignac number, because 228134425 - 2¹⁷ = 228003353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6979 + ... + 22471.

Almost surely, 2^228134425 is an apocalyptic number.

228134425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228134425 is a deficient number, since it is larger than the sum of its proper divisors (79266535).

228134425 is a wasteful number, since it uses less digits than its factorization.

228134425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15553 (or 15548 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 228134425 is about 15104.1194711906. The cubic root of 228134425 is about 611.0315119158.

The spelling of 228134425 in words is "two hundred twenty-eight million, one hundred thirty-four thousand, four hundred twenty-five".