221232420414 has 48 divisors (see below), whose sum is σ = 482222063232. Its totient is φ = 73300474944.

The previous prime is 221232420337. The next prime is 221232420439. The reversal of 221232420414 is 414024232122.

It is a happy number.

221232420414 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 3 + 242 + 0 + 414 = 666.

It is a super-3 number, since 3×221232420414³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25801432 + ... + 25810004.

It is an arithmetic number, because the mean of its divisors is an integer number (10046292984).

Almost surely, 2^221232420414 is an apocalyptic number.

221232420414 is an abundant number, since it is smaller than the sum of its proper divisors (260989642818).

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

221232420414 is a wasteful number, since it uses less digits than its factorization.

221232420414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17041 (or 17038 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 221232420414 its reverse (414024232122), we get a palindrome (635256652536).

The spelling of 221232420414 in words is "two hundred twenty-one billion, two hundred thirty-two million, four hundred twenty thousand, four hundred fourteen".