221076682 has 8 divisors (see below), whose sum is σ = 332078400. Its totient is φ = 110383884.

The previous prime is 221076679. The next prime is 221076689. The reversal of 221076682 is 286670122.

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 (221076689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75432 + ... + 78307.

It is an arithmetic number, because the mean of its divisors is an integer number (41509800).

Almost surely, 2^221076682 is an apocalyptic number.

221076682 is a deficient number, since it is larger than the sum of its proper divisors (111001718).

221076682 is a wasteful number, since it uses less digits than its factorization.

221076682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154460.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 221076682 is about 14868.6476183949. The cubic root of 221076682 is about 604.6642783699.

The spelling of 221076682 in words is "two hundred twenty-one million, seventy-six thousand, six hundred eighty-two".