221713063 has 8 divisors (see below), whose sum is σ = 260474256. Its totient is φ = 186052800.

The previous prime is 221713061. The next prime is 221713073. The reversal of 221713063 is 360317122.

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 221713063 - 2¹ = 221713061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221713061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775078 + ... + 775363.

It is an arithmetic number, because the mean of its divisors is an integer number (32559282).

Almost surely, 2^221713063 is an apocalyptic number.

221713063 is a deficient number, since it is larger than the sum of its proper divisors (38761193).

221713063 is a wasteful number, since it uses less digits than its factorization.

221713063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550465.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 221713063 is about 14890.0323371039. The cubic root of 221713063 is about 605.2439086661.

The spelling of 221713063 in words is "two hundred twenty-one million, seven hundred thirteen thousand, sixty-three".