22242680840 has 64 divisors (see below), whose sum is σ = 52284735360. Its totient is φ = 8500011520.

The previous prime is 22242680833. The next prime is 22242680849. The reversal of 22242680840 is 4808624222.

It is a junction number, because it is equal to n+sod(n) for n = 22242680794 and 22242680803.

It is not an unprimeable number, because it can be changed into a prime (22242680849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774335 + ... + 802545.

It is an arithmetic number, because the mean of its divisors is an integer number (816948990).

Almost surely, 2^22242680840 is an apocalyptic number.

22242680840 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 22242680840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26142367680).

22242680840 is an abundant number, since it is smaller than the sum of its proper divisors (30042054520).

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

22242680840 is a wasteful number, since it uses less digits than its factorization.

22242680840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29102 (or 29098 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 38.

The spelling of 22242680840 in words is "twenty-two billion, two hundred forty-two million, six hundred eighty thousand, eight hundred forty".