22022644023240 has 384 divisors, whose sum is σ = 80427318543360. Its totient is φ = 4801002640896.

The previous prime is 22022644023229. The next prime is 22022644023253. The reversal of 22022644023240 is 4232044622022.

It is a Cunningham number, because it is equal to 4692829²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 46693639 + ... + 47162921.

It is an arithmetic number, because the mean of its divisors is an integer number (209446142040).

Almost surely, 2^{22022644023240} is an apocalyptic number.

22022644023240 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 22022644023240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40213659271680).

22022644023240 is an abundant number, since it is smaller than the sum of its proper divisors (58404674520120).

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

22022644023240 is a wasteful number, since it uses less digits than its factorization.

22022644023240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469681 (or 469670 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 22022644023240 its reverse (4232044622022), we get a palindrome (26254688645262).

The spelling of 22022644023240 in words is "twenty-two trillion, twenty-two billion, six hundred forty-four million, twenty-three thousand, two hundred forty".