22103211234 has 64 divisors (see below), whose sum is σ = 49181045760. Its totient is φ = 6576456960.

The previous prime is 22103211227. The next prime is 22103211287. The reversal of 22103211234 is 43211230122.

It is a self number, because there is not a number n which added to its sum of digits gives 22103211234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4032904 + ... + 4038380.

It is an arithmetic number, because the mean of its divisors is an integer number (768453840).

Almost surely, 2^22103211234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22103211234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24590522880).

22103211234 is an abundant number, since it is smaller than the sum of its proper divisors (27077834526).

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

22103211234 is a wasteful number, since it uses less digits than its factorization.

22103211234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7195.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22103211234 its reverse (43211230122), we get a palindrome (65314441356).

The spelling of 22103211234 in words is "twenty-two billion, one hundred three million, two hundred eleven thousand, two hundred thirty-four".