22240243320 has 32 divisors (see below), whose sum is σ = 66720730320. Its totient is φ = 5930731520.

The previous prime is 22240243313. The next prime is 22240243321. The reversal of 22240243320 is 2334204222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240243321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92667561 + ... + 92667800.

Almost surely, 2^22240243320 is an apocalyptic number.

22240243320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22240243320 is an abundant number, since it is smaller than the sum of its proper divisors (44480487000).

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

22240243320 is a wasteful number, since it uses less digits than its factorization.

22240243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185335375 (or 185335371 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 22240243320 its reverse (2334204222), we get a palindrome (24574447542).

The spelling of 22240243320 in words is "twenty-two billion, two hundred forty million, two hundred forty-three thousand, three hundred twenty".