22244340620 has 24 divisors (see below), whose sum is σ = 47594497104. Its totient is φ = 8729854016.

The previous prime is 22244340619. The next prime is 22244340661. The reversal of 22244340620 is 2604344222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10491554 + ... + 10493673.

It is an arithmetic number, because the mean of its divisors is an integer number (1983104046).

Almost surely, 2^22244340620 is an apocalyptic number.

22244340620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22244340620 is an abundant number, since it is smaller than the sum of its proper divisors (25350156484).

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

22244340620 is a wasteful number, since it uses less digits than its factorization.

22244340620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20985289 (or 20985287 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 22244340620 its reverse (2604344222), we get a palindrome (24848684842).

The spelling of 22244340620 in words is "twenty-two billion, two hundred forty-four million, three hundred forty thousand, six hundred twenty".