222412013 has 4 divisors (see below), whose sum is σ = 222854688. Its totient is φ = 221969340.

The previous prime is 222411997. The next prime is 222412027. The reversal of 222412013 is 310214222.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310214222 = 2 ⋅155107111.

It is a cyclic number.

It is not a de Polignac number, because 222412013 - 2⁴ = 222411997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222411982 and 222412000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222414013) 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, 220583 + ... + 221588.

It is an arithmetic number, because the mean of its divisors is an integer number (55713672).

Almost surely, 2^222412013 is an apocalyptic number.

It is an amenable number.

222412013 is a deficient number, since it is larger than the sum of its proper divisors (442675).

222412013 is an equidigital number, since it uses as much as digits as its factorization.

222412013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442674.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 222412013 is about 14913.4842676016. The cubic root of 222412013 is about 605.8792515757.

Adding to 222412013 its reverse (310214222), we get a palindrome (532626235).

The spelling of 222412013 in words is "two hundred twenty-two million, four hundred twelve thousand, thirteen".