221802314 has 8 divisors (see below), whose sum is σ = 350214240. Its totient is φ = 105064236.

The previous prime is 221802307. The next prime is 221802337. The reversal of 221802314 is 413208122.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 221802314.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2918414 + ... + 2918489.

It is an arithmetic number, because the mean of its divisors is an integer number (43776780).

Almost surely, 2^221802314 is an apocalyptic number.

221802314 is a deficient number, since it is larger than the sum of its proper divisors (128411926).

221802314 is a wasteful number, since it uses less digits than its factorization.

221802314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836924.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 221802314 is about 14893.0290404605. The cubic root of 221802314 is about 605.3251117860.

The spelling of 221802314 in words is "two hundred twenty-one million, eight hundred two thousand, three hundred fourteen".