442022 has 8 divisors (see below), whose sum is σ = 757776. Its totient is φ = 189432.

The previous prime is 442019. The next prime is 442027. The reversal of 442022 is 220244.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 31573 = 442022 / (4 + 4 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 441988 and 442006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442027) 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, 15773 + ... + 15800.

It is an arithmetic number, because the mean of its divisors is an integer number (94722).

2⁴⁴²⁰²² is an apocalyptic number.

442022 is a deficient number, since it is larger than the sum of its proper divisors (315754).

442022 is a wasteful number, since it uses less digits than its factorization.

442022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31582.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 442022 is about 664.8473509009. The cubic root of 442022 is about 76.1753798339.

Adding to 442022 its reverse (220244), we get a palindrome (662266).

The spelling of 442022 in words is "four hundred forty-two thousand, twenty-two", and thus it is an iban number.