42221231352 has 24 divisors (see below), whose sum is σ = 114349168440. Its totient is φ = 14073743760.

The previous prime is 42221231347. The next prime is 42221231359. The reversal of 42221231352 is 25313212224.

42221231352 is a `hidden beast` number, since 422 + 2 + 1 + 231 + 3 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42221231359) 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 5 ways as a sum of consecutive naturals, for example, 293202924 + ... + 293203067.

It is an arithmetic number, because the mean of its divisors is an integer number (4764548685).

Almost surely, 2^42221231352 is an apocalyptic number.

It is an amenable number.

42221231352 is an abundant number, since it is smaller than the sum of its proper divisors (72127937088).

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

42221231352 is a wasteful number, since it uses less digits than its factorization.

42221231352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586406003 (or 586405996 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

Adding to 42221231352 its reverse (25313212224), we get a palindrome (67534443576).

The spelling of 42221231352 in words is "forty-two billion, two hundred twenty-one million, two hundred thirty-one thousand, three hundred fifty-two".