333222013 has 4 divisors (see below), whose sum is σ = 333291420. Its totient is φ = 333152608.

The previous prime is 333222011. The next prime is 333222023. The reversal of 333222013 is 310222333.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310222333 = 73 ⋅4249621.

It can be written as a sum of positive squares in 2 ways, for example, as 178543044 + 154678969 = 13362^2 + 12437^2 .

It is a cyclic number.

It is not a de Polignac number, because 333222013 - 2¹ = 333222011 is a prime.

It is a super-2 number, since 2×333222013² = 222073819895544338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333222011) 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, 26920 + ... + 37297.

It is an arithmetic number, because the mean of its divisors is an integer number (83322855).

Almost surely, 2^333222013 is an apocalyptic number.

It is an amenable number.

333222013 is a deficient number, since it is larger than the sum of its proper divisors (69407).

333222013 is an equidigital number, since it uses as much as digits as its factorization.

333222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69406.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 333222013 is about 18254.3696960481. The cubic root of 333222013 is about 693.2840805486.

Adding to 333222013 its reverse (310222333), we get a palindrome (643444346).

The spelling of 333222013 in words is "three hundred thirty-three million, two hundred twenty-two thousand, thirteen".