42224233212 has 72 divisors (see below), whose sum is σ = 123801781376. Its totient is φ = 11884001184.

The previous prime is 42224233211. The next prime is 42224233213. The reversal of 42224233212 is 21233242224.

42224233212 is a `hidden beast` number, since 4 + 2 + 22 + 423 + 3 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (42224233211) and next prime (42224233213).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42224233211) 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 23 ways as a sum of consecutive naturals, for example, 1233538 + ... + 1267305.

Almost surely, 2^42224233212 is an apocalyptic number.

42224233212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42224233212 is an abundant number, since it is smaller than the sum of its proper divisors (81577548164).

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

42224233212 is a wasteful number, since it uses less digits than its factorization.

42224233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500927 (or 2500922 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

Adding to 42224233212 its reverse (21233242224), we get a palindrome (63457475436).

The spelling of 42224233212 in words is "forty-two billion, two hundred twenty-four million, two hundred thirty-three thousand, two hundred twelve".