42228374 has 32 divisors (see below), whose sum is σ = 71280000. Its totient is φ = 18645120.

The previous prime is 42228371. The next prime is 42228421. The reversal of 42228374 is 47382224.

It is a self number, because there is not a number n which added to its sum of digits gives 42228374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42228371) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 84377 + ... + 84875.

It is an arithmetic number, because the mean of its divisors is an integer number (2227500).

Almost surely, 2^42228374 is an apocalyptic number.

42228374 is a deficient number, since it is larger than the sum of its proper divisors (29051626).

42228374 is a wasteful number, since it uses less digits than its factorization.

42228374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668.

The product of its digits is 21504, while the sum is 32.

The square root of 42228374 is about 6498.3362486101. The cubic root of 42228374 is about 348.2315530773.

The spelling of 42228374 in words is "forty-two million, two hundred twenty-eight thousand, three hundred seventy-four".