42230838 has 32 divisors (see below), whose sum is σ = 93423456. Its totient is φ = 12642048.

The previous prime is 42230821. The next prime is 42230891. The reversal of 42230838 is 83803224.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4431 + ... + 10202.

It is an arithmetic number, because the mean of its divisors is an integer number (2919483).

Almost surely, 2^42230838 is an apocalyptic number.

42230838 is an abundant number, since it is smaller than the sum of its proper divisors (51192618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42230838 is a wasteful number, since it uses less digits than its factorization.

42230838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14688.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 42230838 is about 6498.5258328332. The cubic root of 42230838 is about 348.2383259788.

The spelling of 42230838 in words is "forty-two million, two hundred thirty thousand, eight hundred thirty-eight".