22240020424 has 16 divisors (see below), whose sum is σ = 43137971100.
Its totient is φ = 10736561472.
The previous prime is 22240020373. The next prime is 22240020437. The reversal of 22240020424 is 42402004222.
Adding to 22240020424 its reverse (42402004222), we get a palindrome (64642024646).
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 19102004100 + 3138016324 = 138210^2 + 56018^2
It is a junction number, because it is equal to n+sod(n) for n = 22240020395 and 22240020404.
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, 47930847 + ... + 47931310.
Almost surely, 222240020424 is an apocalyptic number.
It is an amenable number.
22240020424 is a deficient number, since it is larger than the sum of its proper divisors (20897950676).
22240020424 is a wasteful number, since it uses less digits than its factorization.
22240020424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95862192 (or 95862188 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 22.
The spelling of 22240020424 in words is "twenty-two billion, two hundred forty million, twenty thousand, four hundred twenty-four".