221567113 has 8 divisors (see below), whose sum is σ = 236182400. Its totient is φ = 207247248.

The previous prime is 221567107. The next prime is 221567131. The reversal of 221567113 is 311765122.

It is a happy number.

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 221567113 - 2⁵ = 221567081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221567183) 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, 72306 + ... + 75307.

It is an arithmetic number, because the mean of its divisors is an integer number (29522800).

Almost surely, 2^221567113 is an apocalyptic number.

It is an amenable number.

221567113 is a deficient number, since it is larger than the sum of its proper divisors (14615287).

221567113 is a wasteful number, since it uses less digits than its factorization.

221567113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147711.

The product of its digits is 2520, while the sum is 28.

The square root of 221567113 is about 14885.1306007035. The cubic root of 221567113 is about 605.1110722008. Note that the first 3 decimals are identical.

The spelling of 221567113 in words is "two hundred twenty-one million, five hundred sixty-seven thousand, one hundred thirteen".