442422022 has 16 divisors (see below), whose sum is σ = 759059712. Its totient is φ = 189453960.

The previous prime is 442422017. The next prime is 442422023. The reversal of 442422022 is 220224244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442421984 and 442422002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442422023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5647 + ... + 30277.

It is an arithmetic number, because the mean of its divisors is an integer number (47441232).

Almost surely, 2^442422022 is an apocalyptic number.

442422022 is a deficient number, since it is larger than the sum of its proper divisors (316637690).

442422022 is a wasteful number, since it uses less digits than its factorization.

442422022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25923.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 442422022 is about 21033.8304167358. The cubic root of 442422022 is about 761.9835202403.

Adding to 442422022 its reverse (220224244), we get a palindrome (662646266).

It can be divided in two parts, 44242 and 2022, that added together give a palindrome (46264).

The spelling of 442422022 in words is "four hundred forty-two million, four hundred twenty-two thousand, twenty-two".