222311013 has 24 divisors (see below), whose sum is σ = 316965600. Its totient is φ = 138428640.

The previous prime is 222311009. The next prime is 222311029. The reversal of 222311013 is 310113222.

It is not a de Polignac number, because 222311013 - 2² = 222311009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222310983 and 222311001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222311213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82278 + ... + 84936.

It is an arithmetic number, because the mean of its divisors is an integer number (13206900).

Almost surely, 2^222311013 is an apocalyptic number.

It is an amenable number.

222311013 is a deficient number, since it is larger than the sum of its proper divisors (94654587).

222311013 is a wasteful number, since it uses less digits than its factorization.

222311013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753 (or 2722 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 222311013 is about 14910.0976857967. The cubic root of 222311013 is about 605.7875253108.

Adding to 222311013 its reverse (310113222), we get a palindrome (532424235).

The spelling of 222311013 in words is "two hundred twenty-two million, three hundred eleven thousand, thirteen".