42254218 has 8 divisors (see below), whose sum is σ = 65566980. Its totient is φ = 20398560.

The previous prime is 42254213. The next prime is 42254237. The reversal of 42254218 is 81245224.

42254218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39025009 + 3229209 = 6247^2 + 1797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42254213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 364203 + ... + 364318.

Almost surely, 2^42254218 is an apocalyptic number.

42254218 is a deficient number, since it is larger than the sum of its proper divisors (23312762).

42254218 is a wasteful number, since it uses less digits than its factorization.

42254218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728552.

The product of its digits is 5120, while the sum is 28.

The square root of 42254218 is about 6500.3244534408. The cubic root of 42254218 is about 348.3025784731.

The spelling of 42254218 in words is "forty-two million, two hundred fifty-four thousand, two hundred eighteen".