442224122 has 8 divisors (see below), whose sum is σ = 663449556. Its totient is φ = 221074272.

The previous prime is 442224121. The next prime is 442224131. The reversal of 442224122 is 221422244.

It can be written as a sum of positive squares in 2 ways, for example, as 438944401 + 3279721 = 20951^2 + 1811^2 .

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

It is not an unprimeable number, because it can be changed into a prime (442224121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803 + ... + 29750.

Almost surely, 2^442224122 is an apocalyptic number.

442224122 is a deficient number, since it is larger than the sum of its proper divisors (221225434).

442224122 is a wasteful number, since it uses less digits than its factorization.

442224122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37792.

The product of its digits is 2048, while the sum is 23.

The square root of 442224122 is about 21029.1255643215. The cubic root of 442224122 is about 761.8698888951.

Adding to 442224122 its reverse (221422244), we get a palindrome (663646366).

The spelling of 442224122 in words is "four hundred forty-two million, two hundred twenty-four thousand, one hundred twenty-two".