221414424440412 has 48 divisors (see below), whose sum is σ = 590485131919872. Its totient is φ = 63256264117440.

The previous prime is 221414424440387. The next prime is 221414424440497. The reversal of 221414424440412 is 214044424414122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103097664 + ... + 105223367.

It is an arithmetic number, because the mean of its divisors is an integer number (12301773581664).

Almost surely, 2^{221414424440412} is an apocalyptic number.

It is an amenable number.

221414424440412 is an abundant number, since it is smaller than the sum of its proper divisors (369070707479460).

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

221414424440412 is a wasteful number, since it uses less digits than its factorization.

221414424440412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208333698 (or 208333696 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 39.

Adding to 221414424440412 its reverse (214044424414122), we get a palindrome (435458848854534).

The spelling of 221414424440412 in words is "two hundred twenty-one trillion, four hundred fourteen billion, four hundred twenty-four million, four hundred forty thousand, four hundred twelve".