228200481 has 6 divisors (see below), whose sum is σ = 329622930. Its totient is φ = 152133648.

The previous prime is 228200473. The next prime is 228200521. The reversal of 228200481 is 184002822.

It can be written as a sum of positive squares in only one way, i.e., 204347025 + 23853456 = 14295^2 + 4884^2 .

It is not a de Polignac number, because 228200481 - 2³ = 228200473 is a prime.

It is a super-2 number, since 2×228200481² = 104150919057262722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228200081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12677796 + ... + 12677813.

It is an arithmetic number, because the mean of its divisors is an integer number (54937155).

Almost surely, 2^228200481 is an apocalyptic number.

It is an amenable number.

228200481 is a deficient number, since it is larger than the sum of its proper divisors (101422449).

228200481 is a wasteful number, since it uses less digits than its factorization.

228200481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25355615 (or 25355612 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 228200481 is about 15106.3060011374. The cubic root of 228200481 is about 611.0904806614.

The spelling of 228200481 in words is "two hundred twenty-eight million, two hundred thousand, four hundred eighty-one".