22250319312 has 80 divisors (see below), whose sum is σ = 61947910080. Its totient is φ = 6841122816.

The previous prime is 22250319293. The next prime is 22250319319. The reversal of 22250319312 is 21391305222.

It is a self number, because there is not a number n which added to its sum of digits gives 22250319312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22250319319) 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, 866563 + ... + 891869.

It is an arithmetic number, because the mean of its divisors is an integer number (774348876).

Almost surely, 2^22250319312 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 22250319312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30973955040).

22250319312 is an abundant number, since it is smaller than the sum of its proper divisors (39697590768).

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

22250319312 is a wasteful number, since it uses less digits than its factorization.

22250319312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26740 (or 26734 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 22250319312 in words is "twenty-two billion, two hundred fifty million, three hundred nineteen thousand, three hundred twelve".