221412442435230 has 64 divisors (see below), whose sum is σ = 547113791746368. Its totient is φ = 57310834775040.

The previous prime is 221412442435213. The next prime is 221412442435237. The reversal of 221412442435230 is 32534244214122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221412442435237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456636157 + ... + 457120776.

It is an arithmetic number, because the mean of its divisors is an integer number (8548652996037).

Almost surely, 2^{221412442435230} is an apocalyptic number.

221412442435230 is an abundant number, since it is smaller than the sum of its proper divisors (325701349311138).

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

221412442435230 is a wasteful number, since it uses less digits than its factorization.

221412442435230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913757181.

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 221412442435230 its reverse (32534244214122), we get a palindrome (253946686649352).

The spelling of 221412442435230 in words is "two hundred twenty-one trillion, four hundred twelve billion, four hundred forty-two million, four hundred thirty-five thousand, two hundred thirty".