22250141440 has 144 divisors (see below), whose sum is σ = 54393292800. Its totient is φ = 8718667776.

The previous prime is 22250141411. The next prime is 22250141449. The reversal of 22250141440 is 4414105222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22250141449) 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, 14054889 + ... + 14056471.

It is an arithmetic number, because the mean of its divisors is an integer number (377731200).

Almost surely, 2^22250141440 is an apocalyptic number.

22250141440 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 22250141440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27196646400).

22250141440 is an abundant number, since it is smaller than the sum of its proper divisors (32143151360).

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

22250141440 is a wasteful number, since it uses less digits than its factorization.

22250141440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 22250141440 its reverse (4414105222), we get a palindrome (26664246662).

The spelling of 22250141440 in words is "twenty-two billion, two hundred fifty million, one hundred forty-one thousand, four hundred forty".