42442231212220 has 192 divisors, whose sum is σ = 105182784000000. Its totient is φ = 14081464590336.

The previous prime is 42442231212217. The next prime is 42442231212223. The reversal of 42442231212220 is 2221213224424.

It is an interprime number because it is at equal distance from previous prime (42442231212217) and next prime (42442231212223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42442231212223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3091422316 + ... + 3091436044.

It is an arithmetic number, because the mean of its divisors is an integer number (547827000000).

Almost surely, 2^{42442231212220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42442231212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52591392000000).

42442231212220 is an abundant number, since it is smaller than the sum of its proper divisors (62740552787780).

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

42442231212220 is a wasteful number, since it uses less digits than its factorization.

42442231212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16980 (or 16978 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 42442231212220 its reverse (2221213224424), we get a palindrome (44663444436644).

The spelling of 42442231212220 in words is "forty-two trillion, four hundred forty-two billion, two hundred thirty-one million, two hundred twelve thousand, two hundred twenty".