22240111305432 has 192 divisors, whose sum is σ = 61912150312320. Its totient is φ = 6630830180352.

The previous prime is 22240111305427. The next prime is 22240111305443. The reversal of 22240111305432 is 23450311104222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22240111305432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23554743 + ... + 24480729.

It is an arithmetic number, because the mean of its divisors is an integer number (322459116210).

Almost surely, 2^{22240111305432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22240111305432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30956075156160).

22240111305432 is an abundant number, since it is smaller than the sum of its proper divisors (39672039006888).

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

22240111305432 is a wasteful number, since it uses less digits than its factorization.

22240111305432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926130 (or 926089 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 22240111305432 its reverse (23450311104222), we get a palindrome (45690422409654).

The spelling of 22240111305432 in words is "twenty-two trillion, two hundred forty billion, one hundred eleven million, three hundred five thousand, four hundred thirty-two".