42022 has 4 divisors (see below), whose sum is σ = 63036. Its totient is φ = 21010.

The previous prime is 42019. The next prime is 42023. The reversal of 42022 is 22024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10504 + ... + 10507.

It is an arithmetic number, because the mean of its divisors is an integer number (15759).

2⁴²⁰²² is an apocalyptic number.

42022 is a deficient number, since it is larger than the sum of its proper divisors (21014).

42022 is a wasteful number, since it uses less digits than its factorization.

42022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21013.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 42022 is about 204.9926827962. The cubic root of 42022 is about 34.7663346423.

Adding to 42022 its reverse (22024), we get a palindrome (64046).

The spelling of 42022 in words is "forty-two thousand, twenty-two", and thus it is an iban number.