228141436 has 48 divisors (see below), whose sum is σ = 433238400. Its totient is φ = 104784192.

The previous prime is 228141401. The next prime is 228141437. The reversal of 228141436 is 634141822.

It is a junction number, because it is equal to n+sod(n) for n = 228141398 and 228141407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228141437) 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, 371866 + ... + 372478.

It is an arithmetic number, because the mean of its divisors is an integer number (9025800).

Almost surely, 2^228141436 is an apocalyptic number.

It is an amenable number.

228141436 is a deficient number, since it is larger than the sum of its proper divisors (205096964).

228141436 is a wasteful number, since it uses less digits than its factorization.

228141436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 776 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 228141436 is about 15104.3515584086. The cubic root of 228141436 is about 611.0377712343.

The spelling of 228141436 in words is "two hundred twenty-eight million, one hundred forty-one thousand, four hundred thirty-six".