21442233042230 has 384 divisors, whose sum is σ = 55177263783936. Its totient is φ = 5792667955200.

The previous prime is 21442233042229. The next prime is 21442233042247. The reversal of 21442233042230 is 3224033224412.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 408311675 + ... + 408364185.

It is an arithmetic number, because the mean of its divisors is an integer number (143690791104).

Almost surely, 2^{21442233042230} is an apocalyptic number.

21442233042230 is an abundant number, since it is smaller than the sum of its proper divisors (33735030741706).

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

21442233042230 is a wasteful number, since it uses less digits than its factorization.

21442233042230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52700 (or 52681 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 21442233042230 its reverse (3224033224412), we get a palindrome (24666266266642).

The spelling of 21442233042230 in words is "twenty-one trillion, four hundred forty-two billion, two hundred thirty-three million, forty-two thousand, two hundred thirty".