22220103405522 has 128 divisors (see below), whose sum is σ = 50843915716608. Its totient is φ = 6408072704000.

The previous prime is 22220103405491. The next prime is 22220103405523. The reversal of 22220103405522 is 22550430102222.

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 22220103405522.

It is not an unprimeable number, because it can be changed into a prime (22220103405523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 551662048 + ... + 551702324.

It is an arithmetic number, because the mean of its divisors is an integer number (397218091536).

Almost surely, 2^{22220103405522} is an apocalyptic number.

22220103405522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22220103405522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25421957858304).

22220103405522 is an abundant number, since it is smaller than the sum of its proper divisors (28623812311086).

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

22220103405522 is a wasteful number, since it uses less digits than its factorization.

22220103405522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42144.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22220103405522 its reverse (22550430102222), we get a palindrome (44770533507744).

The spelling of 22220103405522 in words is "twenty-two trillion, two hundred twenty billion, one hundred three million, four hundred five thousand, five hundred twenty-two".