22251235040000 has 90 divisors (see below), whose sum is σ = 55501673170020. Its totient is φ = 8900493952000.

The previous prime is 22251235039987. The next prime is 22251235040003. The reversal of 22251235040000 is 4053215222.

It is not an unprimeable number, because it can be changed into a prime (22251235040003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 69375110 + ... + 69695109.

Almost surely, 2^{22251235040000} is an apocalyptic number.

22251235040000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22251235040000 is an abundant number, since it is smaller than the sum of its proper divisors (33250438130020).

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

22251235040000 is an frugal number, since it uses more digits than its factorization.

22251235040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139070255 (or 139070226 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 22251235040000 its reverse (4053215222), we get a palindrome (22255288255222).

The spelling of 22251235040000 in words is "twenty-two trillion, two hundred fifty-one billion, two hundred thirty-five million, forty thousand".