221313202 has 8 divisors (see below), whose sum is σ = 362148912. Its totient is φ = 100596900.

The previous prime is 221313193. The next prime is 221313227. The reversal of 221313202 is 202313122.

221313202 is digitally balanced in base 2, 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5029824 + ... + 5029867.

It is an arithmetic number, because the mean of its divisors is an integer number (45268614).

Almost surely, 2^221313202 is an apocalyptic number.

221313202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221313202 is a deficient number, since it is larger than the sum of its proper divisors (140835710).

221313202 is a wasteful number, since it uses less digits than its factorization.

221313202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10059704.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 221313202 is about 14876.5991409327. The cubic root of 221313202 is about 604.8798358894.

Adding to 221313202 its reverse (202313122), we get a palindrome (423626324).

The spelling of 221313202 in words is "two hundred twenty-one million, three hundred thirteen thousand, two hundred two".