42254422 has 8 divisors (see below), whose sum is σ = 72436176. Its totient is φ = 18109032.

The previous prime is 42254417. The next prime is 42254437. The reversal of 42254422 is 22445224.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1509073 + ... + 1509100.

It is an arithmetic number, because the mean of its divisors is an integer number (9054522).

Almost surely, 2^42254422 is an apocalyptic number.

42254422 is a deficient number, since it is larger than the sum of its proper divisors (30181754).

42254422 is a wasteful number, since it uses less digits than its factorization.

42254422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018182.

The product of its digits is 5120, while the sum is 25.

The square root of 42254422 is about 6500.3401449463. The cubic root of 42254422 is about 348.3031389979.

Adding to 42254422 its reverse (22445224), we get a palindrome (64699646).

The spelling of 42254422 in words is "forty-two million, two hundred fifty-four thousand, four hundred twenty-two".