256084228 has 6 divisors (see below), whose sum is σ = 448147406. Its totient is φ = 128042112.

The previous prime is 256084217. The next prime is 256084229. The reversal of 256084228 is 822480652.

It can be written as a sum of positive squares in only one way, i.e., 226141444 + 29942784 = 15038^2 + 5472^2 .

It is not an unprimeable number, because it can be changed into a prime (256084229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32010525 + ... + 32010532.

Almost surely, 2^256084228 is an apocalyptic number.

It is an amenable number.

256084228 is a deficient number, since it is larger than the sum of its proper divisors (192063178).

256084228 is a wasteful number, since it uses less digits than its factorization.

256084228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64021061 (or 64021059 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 256084228 is about 16002.6319085330. The cubic root of 256084228 is about 635.0300504513.

The spelling of 256084228 in words is "two hundred fifty-six million, eighty-four thousand, two hundred twenty-eight".