42131226 has 16 divisors (see below), whose sum is σ = 84358944. Its totient is φ = 14027664.

The previous prime is 42131183. The next prime is 42131267. The reversal of 42131226 is 62213124.

42131226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2461 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (5272434).

Almost surely, 2^42131226 is an apocalyptic number.

42131226 is an abundant number, since it is smaller than the sum of its proper divisors (42227718).

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

42131226 is a wasteful number, since it uses less digits than its factorization.

42131226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8045.

The product of its digits is 576, while the sum is 21.

The square root of 42131226 is about 6490.8571082716. The cubic root of 42131226 is about 347.9643080054.

The spelling of 42131226 in words is "forty-two million, one hundred thirty-one thousand, two hundred twenty-six".