42221231052 has 192 divisors, whose sum is σ = 132859776000. Its totient is φ = 10078110720.

The previous prime is 42221231047. The next prime is 42221231057. The reversal of 42221231052 is 25013212224.

It is an interprime number because it is at equal distance from previous prime (42221231047) and next prime (42221231057).

It is not an unprimeable number, because it can be changed into a prime (42221231057) 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 63 ways as a sum of consecutive naturals, for example, 2743074 + ... + 2758422.

It is an arithmetic number, because the mean of its divisors is an integer number (691978000).

Almost surely, 2^42221231052 is an apocalyptic number.

42221231052 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42221231052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66429888000).

42221231052 is an abundant number, since it is smaller than the sum of its proper divisors (90638544948).

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

42221231052 is a wasteful number, since it uses less digits than its factorization.

42221231052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15616 (or 15614 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 42221231052 its reverse (25013212224), we get a palindrome (67234443276).

The spelling of 42221231052 in words is "forty-two billion, two hundred twenty-one million, two hundred thirty-one thousand, fifty-two".