22224002020 has 48 divisors (see below), whose sum is σ = 50952375936. Its totient is φ = 8075232000.

The previous prime is 22224001997. The next prime is 22224002027. The reversal of 22224002020 is 2020042222.

It is a junction number, because it is equal to n+sod(n) for n = 22224001985 and 22224002003.

It is not an unprimeable number, because it can be changed into a prime (22224002027) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 252385 + ... + 328855.

It is an arithmetic number, because the mean of its divisors is an integer number (1061507832).

Almost surely, 2^22224002020 is an apocalyptic number.

22224002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22224002020 is an abundant number, since it is smaller than the sum of its proper divisors (28728373916).

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

22224002020 is a wasteful number, since it uses less digits than its factorization.

22224002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77812 (or 77810 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22224002020 its reverse (2020042222), we get a palindrome (24244044242).

The spelling of 22224002020 in words is "twenty-two billion, two hundred twenty-four million, two thousand, twenty".