22320223213 has 4 divisors (see below), whose sum is σ = 22320716608. Its totient is φ = 22319729820.

The previous prime is 22320223199. The next prime is 22320223243. The reversal of 22320223213 is 31232202322.

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 a cyclic number.

It is not a de Polignac number, because 22320223213 - 2²⁹ = 21783352301 is a prime.

It is a super-3 number, since 3×22320223213³ (a number of 32 digits) contains 333 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 (22320223243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171123 + ... + 271888.

It is an arithmetic number, because the mean of its divisors is an integer number (5580179152).

Almost surely, 2^22320223213 is an apocalyptic number.

It is an amenable number.

22320223213 is a deficient number, since it is larger than the sum of its proper divisors (493395).

22320223213 is an equidigital number, since it uses as much as digits as its factorization.

22320223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493394.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22320223213 its reverse (31232202322), we get a palindrome (53552425535).

The spelling of 22320223213 in words is "twenty-two billion, three hundred twenty million, two hundred twenty-three thousand, two hundred thirteen".