222320013 has 8 divisors (see below), whose sum is σ = 304438368. Its totient is φ = 144207504.

The previous prime is 222320009. The next prime is 222320017. The reversal of 222320013 is 310023222.

It is an interprime number because it is at equal distance from previous prime (222320009) and next prime (222320017).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222320013 - 2² = 222320009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222319974 and 222320001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222320017) 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, 1001331 + ... + 1001552.

It is an arithmetic number, because the mean of its divisors is an integer number (38054796).

Almost surely, 2^222320013 is an apocalyptic number.

It is an amenable number.

222320013 is a deficient number, since it is larger than the sum of its proper divisors (82118355).

222320013 is a wasteful number, since it uses less digits than its factorization.

222320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002923.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 222320013 is about 14910.3994916300. The cubic root of 222320013 is about 605.7957000657.

Adding to 222320013 its reverse (310023222), we get a palindrome (532343235).

The spelling of 222320013 in words is "two hundred twenty-two million, three hundred twenty thousand, thirteen".