22215340000 has 240 divisors, whose sum is σ = 63086905728. Its totient is φ = 7540416000.

The previous prime is 22215339973. The next prime is 22215340051. The reversal of 22215340000 is 4351222.

It is a self number, because there is not a number n which added to its sum of digits gives 22215340000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14979259 + ... + 14980741.

Almost surely, 2^22215340000 is an apocalyptic number.

22215340000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22215340000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31543452864).

22215340000 is an abundant number, since it is smaller than the sum of its proper divisors (40871565728).

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

22215340000 is a wasteful number, since it uses less digits than its factorization.

22215340000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 22215340000 its reverse (4351222), we get a palindrome (22219691222).

The spelling of 22215340000 in words is "twenty-two billion, two hundred fifteen million, three hundred forty thousand".