220223313 has 16 divisors (see below), whose sum is σ = 327507840. Its totient is φ = 146252592.

The previous prime is 220223309. The next prime is 220223447. The reversal of 220223313 is 313322022.

It is a happy number.

It is not a de Polignac number, because 220223313 - 2² = 220223309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220223513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8406 + ... + 22607.

It is an arithmetic number, because the mean of its divisors is an integer number (20469240).

Almost surely, 2^220223313 is an apocalyptic number.

It is an amenable number.

220223313 is a deficient number, since it is larger than the sum of its proper divisors (107284527).

220223313 is a wasteful number, since it uses less digits than its factorization.

220223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31285 (or 31279 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 220223313 is about 14839.9229445439. The cubic root of 220223313 is about 603.8852619282.

Adding to 220223313 its reverse (313322022), we get a palindrome (533545335).

The spelling of 220223313 in words is "two hundred twenty million, two hundred twenty-three thousand, three hundred thirteen".