22244202420 has 192 divisors, whose sum is σ = 70969651200. Its totient is φ = 5157527040.

The previous prime is 22244202377. The next prime is 22244202467. The reversal of 22244202420 is 2420244222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1433061 + ... + 1448499.

It is an arithmetic number, because the mean of its divisors is an integer number (369633600).

Almost surely, 2^22244202420 is an apocalyptic number.

22244202420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22244202420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35484825600).

22244202420 is an abundant number, since it is smaller than the sum of its proper divisors (48725448780).

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

22244202420 is a wasteful number, since it uses less digits than its factorization.

22244202420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15558 (or 15556 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22244202420 its reverse (2420244222), we get a palindrome (24664446642).

It can be divided in two parts, 22 and 244202420, that added together give a palindrome (244202442).

The spelling of 22244202420 in words is "twenty-two billion, two hundred forty-four million, two hundred two thousand, four hundred twenty".