22442040420 has 96 divisors (see below), whose sum is σ = 63574834176. Its totient is φ = 5914560000.

The previous prime is 22442040389. The next prime is 22442040451. The reversal of 22442040420 is 2404024422.

It is an interprime number because it is at equal distance from previous prime (22442040389) and next prime (22442040451).

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, 3675370 + ... + 3681470.

It is an arithmetic number, because the mean of its divisors is an integer number (662237856).

Almost surely, 2^22442040420 is an apocalyptic number.

22442040420 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 22442040420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31787417088).

22442040420 is an abundant number, since it is smaller than the sum of its proper divisors (41132793756).

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

22442040420 is a wasteful number, since it uses less digits than its factorization.

22442040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821 (or 6819 counting only the distinct ones).

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

Adding to 22442040420 its reverse (2404024422), we get a palindrome (24846064842).

The spelling of 22442040420 in words is "twenty-two billion, four hundred forty-two million, forty thousand, four hundred twenty".