130870228 has 12 divisors (see below), whose sum is σ = 231596820. Its totient is φ = 64699712.

The previous prime is 130870213. The next prime is 130870247. The reversal of 130870228 is 822078031.

It can be written as a sum of positive squares in 2 ways, for example, as 15350724 + 115519504 = 3918^2 + 10748^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 130870228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183451 + ... + 184162.

It is an arithmetic number, because the mean of its divisors is an integer number (19299735).

Almost surely, 2^130870228 is an apocalyptic number.

It is an amenable number.

130870228 is a deficient number, since it is larger than the sum of its proper divisors (100726592).

130870228 is a wasteful number, since it uses less digits than its factorization.

130870228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367706 (or 367704 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 130870228 is about 11439.8526214283. The cubic root of 130870228 is about 507.7075475847.

The spelling of 130870228 in words is "one hundred thirty million, eight hundred seventy thousand, two hundred twenty-eight".