22200424420 has 48 divisors (see below), whose sum is σ = 48513769920. Its totient is φ = 8526623616.

The previous prime is 22200424399. The next prime is 22200424439. The reversal of 22200424420 is 2442400222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22200424391 and 22200424400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168027 + ... + 269506.

It is an arithmetic number, because the mean of its divisors is an integer number (1010703540).

Almost surely, 2^22200424420 is an apocalyptic number.

22200424420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200424420 is an abundant number, since it is smaller than the sum of its proper divisors (26313345500).

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

22200424420 is a wasteful number, since it uses less digits than its factorization.

22200424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437644 (or 437642 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22200424420 its reverse (2442400222), we get a palindrome (24642824642).

The spelling of 22200424420 in words is "twenty-two billion, two hundred million, four hundred twenty-four thousand, four hundred twenty".