22105005462 has 160 divisors (see below), whose sum is σ = 52799947200. Its totient is φ = 6897623040.

The previous prime is 22105005427. The next prime is 22105005473. The reversal of 22105005462 is 26450050122.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 49231414 + ... + 49231862.

It is an arithmetic number, because the mean of its divisors is an integer number (329999670).

Almost surely, 2^22105005462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22105005462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26399973600).

22105005462 is an abundant number, since it is smaller than the sum of its proper divisors (30694941738).

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

22105005462 is a wasteful number, since it uses less digits than its factorization.

22105005462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 22105005462 its reverse (26450050122), we get a palindrome (48555055584).

The spelling of 22105005462 in words is "twenty-two billion, one hundred five million, five thousand, four hundred sixty-two".