42230828 has 6 divisors (see below), whose sum is σ = 73903956. Its totient is φ = 21115412.

The previous prime is 42230821. The next prime is 42230891. The reversal of 42230828 is 82803224.

It is a self number, because there is not a number n which added to its sum of digits gives 42230828.

It is not an unprimeable number, because it can be changed into a prime (42230821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278850 + ... + 5278857.

It is an arithmetic number, because the mean of its divisors is an integer number (12317326).

Almost surely, 2^42230828 is an apocalyptic number.

It is an amenable number.

42230828 is a deficient number, since it is larger than the sum of its proper divisors (31673128).

42230828 is a wasteful number, since it uses less digits than its factorization.

42230828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10557711 (or 10557709 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 42230828 is about 6498.5250634279. The cubic root of 42230828 is about 348.2382984919.

The spelling of 42230828 in words is "forty-two million, two hundred thirty thousand, eight hundred twenty-eight".