42220254 has 8 divisors (see below), whose sum is σ = 84440520. Its totient is φ = 14073416.

The previous prime is 42220247. The next prime is 42220267. The reversal of 42220254 is 45202224.

42220254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

42220254 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 42220254.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3518349 + ... + 3518360.

It is an arithmetic number, because the mean of its divisors is an integer number (10555065).

Almost surely, 2^42220254 is an apocalyptic number.

42220254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42220254 is a wasteful number, since it uses less digits than its factorization.

42220254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7036714.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 42220254 is about 6497.7114432699. The cubic root of 42220254 is about 348.2092314232.

Adding to 42220254 its reverse (45202224), we get a palindrome (87422478).

The spelling of 42220254 in words is "forty-two million, two hundred twenty thousand, two hundred fifty-four".