228551804 has 12 divisors (see below), whose sum is σ = 430732344. Its totient is φ = 105485424.

The previous prime is 228551801. The next prime is 228551833. The reversal of 228551804 is 408155822.

It is a happy number.

It is a super-2 number, since 2×228551804² = 104471854223308832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228551801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2197562 + ... + 2197665.

It is an arithmetic number, because the mean of its divisors is an integer number (35894362).

Almost surely, 2^228551804 is an apocalyptic number.

It is an amenable number.

228551804 is a deficient number, since it is larger than the sum of its proper divisors (202180540).

228551804 is a wasteful number, since it uses less digits than its factorization.

228551804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395244 (or 4395242 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 228551804 is about 15117.9298847428. The cubic root of 228551804 is about 611.4039185935.

The spelling of 228551804 in words is "two hundred twenty-eight million, five hundred fifty-one thousand, eight hundred four".