222024404020 has 24 divisors (see below), whose sum is σ = 493677793224. Its totient is φ = 83585657856.

The previous prime is 222024403987. The next prime is 222024404099. The reversal of 222024404020 is 20404420222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5840322084 + 216184081936 = 76422^2 + 464956^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222024403982 and 222024404000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326506137 + ... + 326506816.

It is an arithmetic number, because the mean of its divisors is an integer number (20569908051).

Almost surely, 2^222024404020 is an apocalyptic number.

222024404020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222024404020 is an abundant number, since it is smaller than the sum of its proper divisors (271653389204).

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

222024404020 is a wasteful number, since it uses less digits than its factorization.

222024404020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653012979 (or 653012977 counting only the distinct ones).

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

Adding to 222024404020 its reverse (20404420222), we get a palindrome (242428824242).

The spelling of 222024404020 in words is "two hundred twenty-two billion, twenty-four million, four hundred four thousand, twenty".