256092228 has 54 divisors (see below), whose sum is σ = 753038286. Its totient is φ = 73168704.

The previous prime is 256092223. The next prime is 256092229. The reversal of 256092228 is 822290652.

256092228 is a `hidden beast` number, since 2 + 5 + 609 + 22 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 256064004 + 28224 = 16002^2 + 168^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 256092192 and 256092201.

It is not an unprimeable number, because it can be changed into a prime (256092223) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 70825 + ... + 74352.

Almost surely, 2^256092228 is an apocalyptic number.

256092228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

256092228 is an abundant number, since it is smaller than the sum of its proper divisors (496946058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256092228 is a wasteful number, since it uses less digits than its factorization.

256092228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145201 (or 145189 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 256092228 is about 16002.8818654641. The cubic root of 256092228 is about 635.0366631031.

The spelling of 256092228 in words is "two hundred fifty-six million, ninety-two thousand, two hundred twenty-eight".