22502224000000 has 154 divisors (see below), whose sum is σ = 56227411725230. Its totient is φ = 9000883200000.

The previous prime is 22502223999971. The next prime is 22502224000027. The reversal of 22502224000000 is 42220522.

It can be written as a sum of positive squares in 7 ways, for example, as 21776483574784 + 725740425216 = 4666528^2 + 851904^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 15296806 + ... + 16703194.

Almost surely, 2^{22502224000000} is an apocalyptic number.

22502224000000 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 22502224000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28113705862615).

22502224000000 is an abundant number, since it is smaller than the sum of its proper divisors (33725187725230).

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

22502224000000 is an frugal number, since it uses more digits than its factorization.

22502224000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406439 (or 1406396 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

Adding to 22502224000000 its reverse (42220522), we get a palindrome (22502266220522).

The spelling of 22502224000000 in words is "twenty-two trillion, five hundred two billion, two hundred twenty-four million", and thus it is an aban number.