221120682 has 8 divisors (see below), whose sum is σ = 442241376. Its totient is φ = 73706892.

The previous prime is 221120681. The next prime is 221120687. The reversal of 221120682 is 286021122.

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

221120682 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (221120681) 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, 18426718 + ... + 18426729.

It is an arithmetic number, because the mean of its divisors is an integer number (55280172).

Almost surely, 2^221120682 is an apocalyptic number.

221120682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221120682 is a wasteful number, since it uses less digits than its factorization.

221120682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36853452.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 221120682 is about 14870.1271682525. The cubic root of 221120682 is about 604.7043903394.

The spelling of 221120682 in words is "two hundred twenty-one million, one hundred twenty thousand, six hundred eighty-two".