221534404162214 has 32 divisors (see below), whose sum is σ = 390401602246656. Its totient is φ = 92950234060320.

The previous prime is 221534404162213. The next prime is 221534404162277. The reversal of 221534404162214 is 412261404435122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221534404162213) 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 15 ways as a sum of consecutive naturals, for example, 15947009 + ... + 26407875.

It is an arithmetic number, because the mean of its divisors is an integer number (12200050070208).

Almost surely, 2^{221534404162214} is an apocalyptic number.

221534404162214 is a deficient number, since it is larger than the sum of its proper divisors (168867198084442).

221534404162214 is a wasteful number, since it uses less digits than its factorization.

221534404162214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10534940.

The product of its (nonzero) digits is 368640, while the sum is 41.

Adding to 221534404162214 its reverse (412261404435122), we get a palindrome (633795808597336).

The spelling of 221534404162214 in words is "two hundred twenty-one trillion, five hundred thirty-four billion, four hundred four million, one hundred sixty-two thousand, two hundred fourteen".