22123213392 has 80 divisors (see below), whose sum is σ = 65390671872. Its totient is φ = 6313706880.

The previous prime is 22123213391. The next prime is 22123213393. The reversal of 22123213392 is 29331232122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22123213391) and next prime (22123213393).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123213391) 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, 260917 + ... + 335147.

Almost surely, 2^22123213392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22123213392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32695335936).

22123213392 is an abundant number, since it is smaller than the sum of its proper divisors (43267458480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22123213392 is a wasteful number, since it uses less digits than its factorization.

22123213392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75136 (or 75130 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The spelling of 22123213392 in words is "twenty-two billion, one hundred twenty-three million, two hundred thirteen thousand, three hundred ninety-two".