22312223213 has 16 divisors (see below), whose sum is σ = 25601212416. Its totient is φ = 19048713840.

The previous prime is 22312223177. The next prime is 22312223221. The reversal of 22312223213 is 31232221322.

It is a cyclic number.

It is not a de Polignac number, because 22312223213 - 2¹⁰ = 22312222189 is a prime.

It is a super-3 number, since 3×22312223213³ (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 (22312223233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3617270 + ... + 3623432.

It is an arithmetic number, because the mean of its divisors is an integer number (1600075776).

Almost surely, 2^22312223213 is an apocalyptic number.

It is an amenable number.

22312223213 is a deficient number, since it is larger than the sum of its proper divisors (3288989203).

22312223213 is a wasteful number, since it uses less digits than its factorization.

22312223213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8144.

The product of its digits is 1728, while the sum is 23.

Adding to 22312223213 its reverse (31232221322), we get a palindrome (53544444535).

The spelling of 22312223213 in words is "twenty-two billion, three hundred twelve million, two hundred twenty-three thousand, two hundred thirteen".