222242013 has 24 divisors (see below), whose sum is σ = 367768128. Its totient is φ = 126686592.

The previous prime is 222241997. The next prime is 222242021. The reversal of 222242013 is 310242222.

It is not a de Polignac number, because 222242013 - 2⁴ = 222241997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222242063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23206 + ... + 31352.

It is an arithmetic number, because the mean of its divisors is an integer number (15323672).

Almost surely, 2^222242013 is an apocalyptic number.

It is an amenable number.

222242013 is a deficient number, since it is larger than the sum of its proper divisors (145526115).

222242013 is a wasteful number, since it uses less digits than its factorization.

222242013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8593 (or 8590 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 222242013 is about 14907.7836380865. The cubic root of 222242013 is about 605.7248448585.

Adding to 222242013 its reverse (310242222), we get a palindrome (532484235).

The spelling of 222242013 in words is "two hundred twenty-two million, two hundred forty-two thousand, thirteen".