221453314 has 16 divisors (see below), whose sum is σ = 338414400. Its totient is φ = 108655344.

The previous prime is 221453191. The next prime is 221453317. The reversal of 221453314 is 413354122.

It is not an unprimeable number, because it can be changed into a prime (221453317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82339 + ... + 84985.

It is an arithmetic number, because the mean of its divisors is an integer number (21150900).

Almost surely, 2^221453314 is an apocalyptic number.

221453314 is a deficient number, since it is larger than the sum of its proper divisors (116961086).

221453314 is a wasteful number, since it uses less digits than its factorization.

221453314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417.

The product of its digits is 2880, while the sum is 25.

The square root of 221453314 is about 14881.3075366380. The cubic root of 221453314 is about 605.0074575043.

The spelling of 221453314 in words is "two hundred twenty-one million, four hundred fifty-three thousand, three hundred fourteen".