221362966 has 12 divisors (see below), whose sum is σ = 364974876. Its totient is φ = 100619420.

The previous prime is 221362963. The next prime is 221362987. The reversal of 221362966 is 669263122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221362963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 457120 + ... + 457603.

It is an arithmetic number, because the mean of its divisors is an integer number (30414573).

Almost surely, 2^221362966 is an apocalyptic number.

221362966 is a deficient number, since it is larger than the sum of its proper divisors (143611910).

221362966 is a wasteful number, since it uses less digits than its factorization.

221362966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914747 (or 914736 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 221362966 is about 14878.2716066081. The cubic root of 221362966 is about 604.9251698083.

The spelling of 221362966 in words is "two hundred twenty-one million, three hundred sixty-two thousand, nine hundred sixty-six".