22112454210 has 128 divisors (see below), whose sum is σ = 67153065984. Its totient is φ = 4526184960.

The previous prime is 22112454197. The next prime is 22112454241. The reversal of 22112454210 is 1245421122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83334 + ... + 226206.

It is an arithmetic number, because the mean of its divisors is an integer number (524633328).

Almost surely, 2^22112454210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22112454210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33576532992).

22112454210 is an abundant number, since it is smaller than the sum of its proper divisors (45040611774).

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

22112454210 is a wasteful number, since it uses less digits than its factorization.

22112454210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142968.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 22112454210 its reverse (1245421122), we get a palindrome (23357875332).

The spelling of 22112454210 in words is "twenty-two billion, one hundred twelve million, four hundred fifty-four thousand, two hundred ten".