42422736 has 20 divisors (see below), whose sum is σ = 109592192. Its totient is φ = 14140896.

The previous prime is 42422729. The next prime is 42422749. The reversal of 42422736 is 63722424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441856 + ... + 441951.

Almost surely, 2^42422736 is an apocalyptic number.

It is an amenable number.

42422736 is an abundant number, since it is smaller than the sum of its proper divisors (67169456).

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

42422736 is a wasteful number, since it uses less digits than its factorization.

42422736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883818 (or 883812 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 42422736 is about 6513.2738311851. The cubic root of 42422736 is about 348.7649969784.

The spelling of 42422736 in words is "forty-two million, four hundred twenty-two thousand, seven hundred thirty-six".