42860228 has 12 divisors (see below), whose sum is σ = 77425152. Its totient is φ = 20738760.

The previous prime is 42860221. The next prime is 42860239. The reversal of 42860228 is 82206824.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42860194 and 42860203.

It is not an unprimeable number, because it can be changed into a prime (42860221) 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, 172700 + ... + 172947.

It is an arithmetic number, because the mean of its divisors is an integer number (6452096).

Almost surely, 2^42860228 is an apocalyptic number.

It is an amenable number.

42860228 is a deficient number, since it is larger than the sum of its proper divisors (34564924).

42860228 is a wasteful number, since it uses less digits than its factorization.

42860228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345682 (or 345680 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 42860228 is about 6546.7723345172. The cubic root of 42860228 is about 349.9597994644.

The spelling of 42860228 in words is "forty-two million, eight hundred sixty thousand, two hundred twenty-eight".