228004426 has 16 divisors (see below), whose sum is σ = 376153344. Its totient is φ = 102993264.

The previous prime is 228004421. The next prime is 228004453. The reversal of 228004426 is 624400822.

It is a junction number, because it is equal to n+sod(n) for n = 228004394 and 228004403.

It is not an unprimeable number, because it can be changed into a prime (228004421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 92070 + ... + 94513.

It is an arithmetic number, because the mean of its divisors is an integer number (23509584).

Almost surely, 2^228004426 is an apocalyptic number.

228004426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

228004426 is a deficient number, since it is larger than the sum of its proper divisors (148148918).

228004426 is a wasteful number, since it uses less digits than its factorization.

228004426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186645.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 228004426 is about 15099.8154293356. The cubic root of 228004426 is about 610.9154274651.

The spelling of 228004426 in words is "two hundred twenty-eight million, four thousand, four hundred twenty-six".