22105003420 has 24 divisors (see below), whose sum is σ = 46880120448. Its totient is φ = 8754456000.

The previous prime is 22105003391. The next prime is 22105003429. The reversal of 22105003420 is 2430050122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22105003429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5469516 + ... + 5473555.

It is an arithmetic number, because the mean of its divisors is an integer number (1953338352).

Almost surely, 2^22105003420 is an apocalyptic number.

22105003420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22105003420 is an abundant number, since it is smaller than the sum of its proper divisors (24775117028).

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

22105003420 is a wasteful number, since it uses less digits than its factorization.

22105003420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10943181 (or 10943179 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 22105003420 its reverse (2430050122), we get a palindrome (24535053542).

The spelling of 22105003420 in words is "twenty-two billion, one hundred five million, three thousand, four hundred twenty".