22012243340 has 24 divisors (see below), whose sum is σ = 46858943040. Its totient is φ = 8684281728.

The previous prime is 22012243321. The next prime is 22012243343. The reversal of 22012243340 is 4334221022.

It is not an unprimeable number, because it can be changed into a prime (22012243343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7536980 + ... + 7539899.

It is an arithmetic number, because the mean of its divisors is an integer number (1952455960).

Almost surely, 2^22012243340 is an apocalyptic number.

22012243340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012243340 is an abundant number, since it is smaller than the sum of its proper divisors (24846699700).

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

22012243340 is a wasteful number, since it uses less digits than its factorization.

22012243340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15076961 (or 15076959 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22012243340 its reverse (4334221022), we get a palindrome (26346464362).

The spelling of 22012243340 in words is "twenty-two billion, twelve million, two hundred forty-three thousand, three hundred forty".