22240322412 has 96 divisors (see below), whose sum is σ = 65339979264. Its totient is φ = 5719488000.

The previous prime is 22240322411. The next prime is 22240322413. The reversal of 22240322412 is 21422304222.

It is an interprime number because it is at equal distance from previous prime (22240322411) and next prime (22240322413).

It is not an unprimeable number, because it can be changed into a prime (22240322411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25833 + ... + 212480.

It is an arithmetic number, because the mean of its divisors is an integer number (680624784).

Almost surely, 2^22240322412 is an apocalyptic number.

22240322412 is a gapful number since it is divisible by the number (22) 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 22240322412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32669989632).

22240322412 is an abundant number, since it is smaller than the sum of its proper divisors (43099656852).

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

22240322412 is a wasteful number, since it uses less digits than its factorization.

22240322412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238439 (or 238437 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22240322412 its reverse (21422304222), we get a palindrome (43662626634).

The spelling of 22240322412 in words is "twenty-two billion, two hundred forty million, three hundred twenty-two thousand, four hundred twelve".