22099386340 has 12 divisors (see below), whose sum is σ = 46408711356. Its totient is φ = 8839754528.

The previous prime is 22099386311. The next prime is 22099386341. The reversal of 22099386340 is 4368399022.

It can be written as a sum of positive squares in 2 ways, for example, as 11706807204 + 10392579136 = 108198^2 + 101944^2 .

It is not an unprimeable number, because it can be changed into a prime (22099386341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552484639 + ... + 552484678.

It is an arithmetic number, because the mean of its divisors is an integer number (3867392613).

Almost surely, 2^22099386340 is an apocalyptic number.

22099386340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22099386340 is an abundant number, since it is smaller than the sum of its proper divisors (24309325016).

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

22099386340 is a wasteful number, since it uses less digits than its factorization.

22099386340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104969326 (or 1104969324 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 22099386340 in words is "twenty-two billion, ninety-nine million, three hundred eighty-six thousand, three hundred forty".