42622424 has 16 divisors (see below), whose sum is σ = 86064720. Its totient is φ = 19671840.

The previous prime is 42622421. The next prime is 42622439. The reversal of 42622424 is 42422624.

It is a happy number.

42622424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 42622393 and 42622402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42622421) 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, 204812 + ... + 205019.

It is an arithmetic number, because the mean of its divisors is an integer number (5379045).

Almost surely, 2^42622424 is an apocalyptic number.

It is an amenable number.

42622424 is an abundant number, since it is smaller than the sum of its proper divisors (43442296).

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

42622424 is a wasteful number, since it uses less digits than its factorization.

42622424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409850 (or 409846 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 42622424 is about 6528.5851453435. The cubic root of 42622424 is about 349.3113643443.

The spelling of 42622424 in words is "forty-two million, six hundred twenty-two thousand, four hundred twenty-four".