223221214 has 4 divisors (see below), whose sum is σ = 334831824. Its totient is φ = 111610606.

The previous prime is 223221161. The next prime is 223221227. The reversal of 223221214 is 412122322.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×223221214³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223221191 and 223221200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55805302 + ... + 55805305.

It is an arithmetic number, because the mean of its divisors is an integer number (83707956).

Almost surely, 2^223221214 is an apocalyptic number.

223221214 is a deficient number, since it is larger than the sum of its proper divisors (111610610).

223221214 is a wasteful number, since it uses less digits than its factorization.

223221214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111610609.

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

The square root of 223221214 is about 14940.5894796691. The cubic root of 223221214 is about 606.6131518360.

Adding to 223221214 its reverse (412122322), we get a palindrome (635343536).

The spelling of 223221214 in words is "two hundred twenty-three million, two hundred twenty-one thousand, two hundred fourteen".