22321220213 has 8 divisors (see below), whose sum is σ = 22804511232. Its totient is φ = 21838278096.

The previous prime is 22321220179. The next prime is 22321220219. The reversal of 22321220213 is 31202212322.

It is a happy number.

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 22321220213 - 2¹⁰ = 22321219189 is a prime.

It is a super-3 number, since 3×22321220213³ (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 (22321220219) 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, 44231 + ... + 215867.

It is an arithmetic number, because the mean of its divisors is an integer number (2850563904).

Almost surely, 2^22321220213 is an apocalyptic number.

It is an amenable number.

22321220213 is a deficient number, since it is larger than the sum of its proper divisors (483291019).

22321220213 is a wasteful number, since it uses less digits than its factorization.

22321220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174451.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22321220213 its reverse (31202212322), we get a palindrome (53523432535).

The spelling of 22321220213 in words is "twenty-two billion, three hundred twenty-one million, two hundred twenty thousand, two hundred thirteen".