204222444440 has 32 divisors (see below), whose sum is σ = 525143429280. Its totient is φ = 70019123712.

The previous prime is 204222444427. The next prime is 204222444479. The reversal of 204222444440 is 44444222402.

It is a junction number, because it is equal to n+sod(n) for n = 204222444397 and 204222444406.

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, 364682657 + ... + 364683216.

It is an arithmetic number, because the mean of its divisors is an integer number (16410732165).

Almost surely, 2^204222444440 is an apocalyptic number.

204222444440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204222444440 is an abundant number, since it is smaller than the sum of its proper divisors (320920984840).

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

204222444440 is a wasteful number, since it uses less digits than its factorization.

204222444440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729365891 (or 729365887 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 204222444440 its reverse (44444222402), we get a palindrome (248666666842).

The spelling of 204222444440 in words is "two hundred four billion, two hundred twenty-two million, four hundred forty-four thousand, four hundred forty".