101870228 has 12 divisors (see below), whose sum is σ = 178420032. Its totient is φ = 50893080.

The previous prime is 101870159. The next prime is 101870233. The reversal of 101870228 is 822078101.

It is a self number, because there is not a number n which added to its sum of digits gives 101870228.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4700 + ... + 15027.

It is an arithmetic number, because the mean of its divisors is an integer number (14868336).

Almost surely, 2^101870228 is an apocalyptic number.

It is an amenable number.

101870228 is a deficient number, since it is larger than the sum of its proper divisors (76549804).

101870228 is a wasteful number, since it uses less digits than its factorization.

101870228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21022 (or 21020 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 101870228 is about 10093.0782222273. The cubic root of 101870228 is about 467.0346392511.

The spelling of 101870228 in words is "one hundred one million, eight hundred seventy thousand, two hundred twenty-eight".