221232401354 has 8 divisors (see below), whose sum is σ = 332000902560. Its totient is φ = 110565433836.

The previous prime is 221232401353. The next prime is 221232401359. The reversal of 221232401354 is 453104232122.

221232401354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (221232401353) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25377974 + ... + 25386689.

It is an arithmetic number, because the mean of its divisors is an integer number (41500112820).

Almost surely, 2^221232401354 is an apocalyptic number.

221232401354 is a deficient number, since it is larger than the sum of its proper divisors (110768501206).

221232401354 is a wasteful number, since it uses less digits than its factorization.

221232401354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50766844.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 221232401354 its reverse (453104232122), we get a palindrome (674336633476).

The spelling of 221232401354 in words is "two hundred twenty-one billion, two hundred thirty-two million, four hundred one thousand, three hundred fifty-four".