203221214 has 16 divisors (see below), whose sum is σ = 348617088. Its totient is φ = 87035352.

The previous prime is 203221211. The next prime is 203221223. The reversal of 203221214 is 412122302.

It is a junction number, because it is equal to n+sod(n) for n = 203221192 and 203221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203221211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20957 + ... + 29079.

It is an arithmetic number, because the mean of its divisors is an integer number (21788568).

Almost surely, 2^203221214 is an apocalyptic number.

203221214 is a deficient number, since it is larger than the sum of its proper divisors (145395874).

203221214 is a wasteful number, since it uses less digits than its factorization.

203221214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9919.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 203221214 is about 14255.5678245379. The cubic root of 203221214 is about 587.9264701273.

Adding to 203221214 its reverse (412122302), we get a palindrome (615343516).

The spelling of 203221214 in words is "two hundred three million, two hundred twenty-one thousand, two hundred fourteen".