221341334 has 8 divisors (see below), whose sum is σ = 336967608. Its totient is φ = 109018800.

The previous prime is 221341319. The next prime is 221341361. The reversal of 221341334 is 433143122.

221341334 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×221341334² = 97983972273799112, which contains 22 as substring.

It is a congruent number.

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, 825767 + ... + 826034.

It is an arithmetic number, because the mean of its divisors is an integer number (42120951).

Almost surely, 2^221341334 is an apocalyptic number.

221341334 is a deficient number, since it is larger than the sum of its proper divisors (115626274).

221341334 is a wasteful number, since it uses less digits than its factorization.

221341334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651870.

The product of its digits is 1728, while the sum is 23.

The square root of 221341334 is about 14877.5446226856. The cubic root of 221341334 is about 604.9054643628.

Adding to 221341334 its reverse (433143122), we get a palindrome (654484456).

The spelling of 221341334 in words is "two hundred twenty-one million, three hundred forty-one thousand, three hundred thirty-four".