221667314 has 8 divisors (see below), whose sum is σ = 362728368. Its totient is φ = 100757860.

The previous prime is 221667293. The next prime is 221667317. The reversal of 221667314 is 413766122.

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 (221667317) 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, 5037872 + ... + 5037915.

It is an arithmetic number, because the mean of its divisors is an integer number (45341046).

Almost surely, 2^221667314 is an apocalyptic number.

221667314 is a deficient number, since it is larger than the sum of its proper divisors (141061054).

221667314 is a wasteful number, since it uses less digits than its factorization.

221667314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10075800.

The product of its digits is 12096, while the sum is 32.

The square root of 221667314 is about 14888.4960288137. The cubic root of 221667314 is about 605.2022764653.

The spelling of 221667314 in words is "two hundred twenty-one million, six hundred sixty-seven thousand, three hundred fourteen".