70228 has 12 divisors (see below), whose sum is σ = 124852. Its totient is φ = 34560.

The previous prime is 70223. The next prime is 70229. The reversal of 70228 is 82207.

It can be written as a sum of positive squares in 2 ways, for example, as 11664 + 58564 = 108^2 + 242^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70223) 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, 298 + ... + 478.

2⁷⁰²²⁸ is an apocalyptic number.

It is an amenable number.

70228 is a deficient number, since it is larger than the sum of its proper divisors (54624).

70228 is a wasteful number, since it uses less digits than its factorization.

70228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 70228 is about 265.0056603169. The cubic root of 70228 is about 41.2575498884.

The spelling of 70228 in words is "seventy thousand, two hundred twenty-eight".