22040274424 has 16 divisors (see below), whose sum is σ = 47229159600. Its totient is φ = 9445831872.

The previous prime is 22040274371. The next prime is 22040274463. The reversal of 22040274424 is 42447204022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196788109 + ... + 196788220.

It is an arithmetic number, because the mean of its divisors is an integer number (2951822475).

Almost surely, 2^22040274424 is an apocalyptic number.

It is an amenable number.

22040274424 is an abundant number, since it is smaller than the sum of its proper divisors (25188885176).

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

22040274424 is a wasteful number, since it uses less digits than its factorization.

22040274424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393576342 (or 393576338 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 31.

Adding to 22040274424 its reverse (42447204022), we get a palindrome (64487478446).

The spelling of 22040274424 in words is "twenty-two billion, forty million, two hundred seventy-four thousand, four hundred twenty-four".