42988422 has 8 divisors (see below), whose sum is σ = 85976856. Its totient is φ = 14329472.

The previous prime is 42988399. The next prime is 42988447. The reversal of 42988422 is 22488924.

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

42988422 is an admirable number.

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, 3582363 + ... + 3582374.

It is an arithmetic number, because the mean of its divisors is an integer number (10747107).

Almost surely, 2^42988422 is an apocalyptic number.

42988422 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.

42988422 is a wasteful number, since it uses less digits than its factorization.

42988422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164742.

The product of its digits is 73728, while the sum is 39.

The square root of 42988422 is about 6556.5556506446. Note that the first 3 decimals coincide. The cubic root of 42988422 is about 350.3083595396.

It can be divided in two parts, 4298 and 8422, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 42988422 in words is "forty-two million, nine hundred eighty-eight thousand, four hundred twenty-two".