22024244022440 has 96 divisors (see below), whose sum is σ = 54479996958240. Its totient is φ = 8007206401920.

The previous prime is 22024244022433. The next prime is 22024244022457. The reversal of 22024244022440 is 4422044242022.

It is a junction number, because it is equal to n+sod(n) for n = 22024244022397 and 22024244022406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23759747 + ... + 24669293.

It is an arithmetic number, because the mean of its divisors is an integer number (567499968315).

Almost surely, 2^{22024244022440} is an apocalyptic number.

22024244022440 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 22024244022440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27239998479120).

22024244022440 is an abundant number, since it is smaller than the sum of its proper divisors (32455752935800).

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

22024244022440 is a wasteful number, since it uses less digits than its factorization.

22024244022440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914583 (or 914568 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 22024244022440 its reverse (4422044242022), we get a palindrome (26446288264462).

The spelling of 22024244022440 in words is "twenty-two trillion, twenty-four billion, two hundred forty-four million, twenty-two thousand, four hundred forty".