2222287213 has 4 divisors (see below), whose sum is σ = 2222551548. Its totient is φ = 2222022880.

The previous prime is 2222287201. The next prime is 2222287217. The reversal of 2222287213 is 3127822222.

2222287213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 210047049 + 2012240164 = 14493^2 + 44858^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222287213 - 2⁹ = 2222286701 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 (2222287217) 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, 119128 + ... + 136513.

It is an arithmetic number, because the mean of its divisors is an integer number (555637887).

Almost surely, 2^2222287213 is an apocalyptic number.

It is an amenable number.

2222287213 is a deficient number, since it is larger than the sum of its proper divisors (264335).

2222287213 is an equidigital number, since it uses as much as digits as its factorization.

2222287213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264334.

The product of its digits is 10752, while the sum is 31.

The square root of 2222287213 is about 47141.1414053584. The cubic root of 2222287213 is about 1304.9686017803.

It can be divided in two parts, 222228 and 7213, that added together give a square (229441 = 479²).

The spelling of 2222287213 in words is "two billion, two hundred twenty-two million, two hundred eighty-seven thousand, two hundred thirteen".