442221122245 has 32 divisors (see below), whose sum is σ = 632904030720. Its totient is φ = 290025204480.

The previous prime is 442221122237. The next prime is 442221122257. The reversal of 442221122245 is 542221122244.

It is not a de Polignac number, because 442221122245 - 2³ = 442221122237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11428591 + ... + 11467219.

It is an arithmetic number, because the mean of its divisors is an integer number (19778250960).

Almost surely, 2^442221122245 is an apocalyptic number.

It is an amenable number.

442221122245 is a deficient number, since it is larger than the sum of its proper divisors (190682908475).

442221122245 is a wasteful number, since it uses less digits than its factorization.

442221122245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52885.

The product of its digits is 20480, while the sum is 31.

Adding to 442221122245 its reverse (542221122244), we get a palindrome (984442244489).

Subtracting 442221122245 from its reverse (542221122244), we obtain a palindrome (99999999999).

The spelling of 442221122245 in words is "four hundred forty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred forty-five".