221414853 has 8 divisors (see below), whose sum is σ = 322058016. Its totient is φ = 134190800.

The previous prime is 221414839. The next prime is 221414857. The reversal of 221414853 is 358414122.

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

It is a cyclic number.

It is not a de Polignac number, because 221414853 - 2⁵ = 221414821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221414853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221414857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3354738 + ... + 3354803.

It is an arithmetic number, because the mean of its divisors is an integer number (40257252).

Almost surely, 2^221414853 is an apocalyptic number.

It is an amenable number.

221414853 is a deficient number, since it is larger than the sum of its proper divisors (100643163).

221414853 is a wasteful number, since it uses less digits than its factorization.

221414853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709555.

The product of its digits is 7680, while the sum is 30.

The square root of 221414853 is about 14880.0152217664. The cubic root of 221414853 is about 604.9724304993.

Adding to 221414853 its reverse (358414122), we get a palindrome (579828975).

The spelling of 221414853 in words is "two hundred twenty-one million, four hundred fourteen thousand, eight hundred fifty-three".