22423021140 has 96 divisors (see below), whose sum is σ = 67659419520. Its totient is φ = 5515808256.

The previous prime is 22423021111. The next prime is 22423021207. The reversal of 22423021140 is 4112032422.

It is a super-3 number, since 3×22423021140³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1260226 + ... + 1277894.

It is an arithmetic number, because the mean of its divisors is an integer number (704785620).

Almost surely, 2^22423021140 is an apocalyptic number.

22423021140 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 22423021140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33829709760).

22423021140 is an abundant number, since it is smaller than the sum of its proper divisors (45236398380).

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

22423021140 is a wasteful number, since it uses less digits than its factorization.

22423021140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19321 (or 19319 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22423021140 its reverse (4112032422), we get a palindrome (26535053562).

The spelling of 22423021140 in words is "twenty-two billion, four hundred twenty-three million, twenty-one thousand, one hundred forty".