222204013 has 4 divisors (see below), whose sum is σ = 222241408. Its totient is φ = 222166620.

The previous prime is 222204007. The next prime is 222204019. The reversal of 222204013 is 310402222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (222204007) and next prime (222204019).

It is a cyclic number.

It is not a de Polignac number, because 222204013 - 2¹³ = 222195821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222204019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7581 + ... + 22402.

It is an arithmetic number, because the mean of its divisors is an integer number (55560352).

Almost surely, 2^222204013 is an apocalyptic number.

It is an amenable number.

222204013 is a deficient number, since it is larger than the sum of its proper divisors (37395).

222204013 is an equidigital number, since it uses as much as digits as its factorization.

222204013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37394.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222204013 is about 14906.5090816059. The cubic root of 222204013 is about 605.6903196491.

Adding to 222204013 its reverse (310402222), we get a palindrome (532606235).

The spelling of 222204013 in words is "two hundred twenty-two million, two hundred four thousand, thirteen".