42022434 has 8 divisors (see below), whose sum is σ = 84044880. Its totient is φ = 14007476.

The previous prime is 42022427. The next prime is 42022439. The reversal of 42022434 is 43422024.

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

42022434 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 42022434.

It is not an unprimeable number, because it can be changed into a prime (42022439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3501864 + ... + 3501875.

It is an arithmetic number, because the mean of its divisors is an integer number (10505610).

Almost surely, 2^42022434 is an apocalyptic number.

42022434 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.

42022434 is a wasteful number, since it uses less digits than its factorization.

42022434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7003744.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 42022434 is about 6482.4712880197. The cubic root of 42022434 is about 347.6645432994.

Adding to 42022434 its reverse (43422024), we get a palindrome (85444458).

The spelling of 42022434 in words is "forty-two million, twenty-two thousand, four hundred thirty-four".