442211424220 has 12 divisors (see below), whose sum is σ = 928643990904. Its totient is φ = 176884569680.

The previous prime is 442211424211. The next prime is 442211424247. The reversal of 442211424220 is 22424112244.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11055285586 + ... + 11055285625.

It is an arithmetic number, because the mean of its divisors is an integer number (77386999242).

Almost surely, 2^442211424220 is an apocalyptic number.

It is an amenable number.

442211424220 is an abundant number, since it is smaller than the sum of its proper divisors (486432566684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442211424220 is a wasteful number, since it uses less digits than its factorization.

442211424220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22110571220 (or 22110571218 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 442211424220 its reverse (22424112244), we get a palindrome (464635536464).

The spelling of 442211424220 in words is "four hundred forty-two billion, two hundred eleven million, four hundred twenty-four thousand, two hundred twenty".