22234231140 has 96 divisors (see below), whose sum is σ = 68087343744. Its totient is φ = 5376476160.

The previous prime is 22234231087. The next prime is 22234231181. The reversal of 22234231140 is 4113243222.

It is a happy number.

It is a super-2 number, since 2×22234231140² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22234231140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219592 + ... + 304448.

It is an arithmetic number, because the mean of its divisors is an integer number (709243164).

Almost surely, 2^22234231140 is an apocalyptic number.

22234231140 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 22234231140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34043671872).

22234231140 is an abundant number, since it is smaller than the sum of its proper divisors (45853112604).

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

22234231140 is a wasteful number, since it uses less digits than its factorization.

22234231140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85277 (or 85275 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22234231140 its reverse (4113243222), we get a palindrome (26347474362).

The spelling of 22234231140 in words is "twenty-two billion, two hundred thirty-four million, two hundred thirty-one thousand, one hundred forty".