18222010213 has 8 divisors (see below), whose sum is σ = 19965365280. Its totient is φ = 16493123280.

The previous prime is 18222010207. The next prime is 18222010217. The reversal of 18222010213 is 31201022281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18222010213 - 2⁵ = 18222010181 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 (18222010217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3614395 + ... + 3619432.

It is an arithmetic number, because the mean of its divisors is an integer number (2495670660).

Almost surely, 2^18222010213 is an apocalyptic number.

It is an amenable number.

18222010213 is a deficient number, since it is larger than the sum of its proper divisors (1743355067).

18222010213 is a wasteful number, since it uses less digits than its factorization.

18222010213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7234067.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 18222010213 its reverse (31201022281), we get a palindrome (49423032494).

The spelling of 18222010213 in words is "eighteen billion, two hundred twenty-two million, ten thousand, two hundred thirteen".