22231124340 has 24 divisors (see below), whose sum is σ = 62247148320. Its totient is φ = 5928299808.

The previous prime is 22231124291. The next prime is 22231124347. The reversal of 22231124340 is 4342113222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22231124340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231124347) 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, 185259310 + ... + 185259429.

It is an arithmetic number, because the mean of its divisors is an integer number (2593631180).

Almost surely, 2^22231124340 is an apocalyptic number.

22231124340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22231124340 is an abundant number, since it is smaller than the sum of its proper divisors (40016023980).

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

22231124340 is a wasteful number, since it uses less digits than its factorization.

22231124340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370518751 (or 370518749 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22231124340 its reverse (4342113222), we get a palindrome (26573237562).

The spelling of 22231124340 in words is "twenty-two billion, two hundred thirty-one million, one hundred twenty-four thousand, three hundred forty".