221034214 has 8 divisors (see below), whose sum is σ = 331643520. Its totient is φ = 110486376.

The previous prime is 221034211. The next prime is 221034223. The reversal of 221034214 is 412430122.

221034214 is digitally balanced in base 3, because in such base 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 2×221034214² = 97712247517195592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221034191 and 221034200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221034211) 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, 4969 + ... + 21604.

It is an arithmetic number, because the mean of its divisors is an integer number (41455440).

Almost surely, 2^221034214 is an apocalyptic number.

221034214 is a deficient number, since it is larger than the sum of its proper divisors (110609306).

221034214 is a wasteful number, since it uses less digits than its factorization.

221034214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30734.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 221034214 is about 14867.2194441328. The cubic root of 221034214 is about 604.6255579784.

Adding to 221034214 its reverse (412430122), we get a palindrome (633464336).

The spelling of 221034214 in words is "two hundred twenty-one million, thirty-four thousand, two hundred fourteen".