2605344222 has 48 divisors (see below), whose sum is σ = 5824424448. Its totient is φ = 775775520.

The previous prime is 2605344211. The next prime is 2605344229. The reversal of 2605344222 is 2224435062.

It is a self number, because there is not a number n which added to its sum of digits gives 2605344222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605344229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10008 + ... + 72875.

It is an arithmetic number, because the mean of its divisors is an integer number (121342176).

Almost surely, 2^2605344222 is an apocalyptic number.

2605344222 is an abundant number, since it is smaller than the sum of its proper divisors (3219080226).

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

2605344222 is a wasteful number, since it uses less digits than its factorization.

2605344222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82945 (or 82932 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2605344222 is about 51042.5726428439. The cubic root of 2605344222 is about 1376.0103598998.

Adding to 2605344222 its reverse (2224435062), we get a palindrome (4829779284).

The spelling of 2605344222 in words is "two billion, six hundred five million, three hundred forty-four thousand, two hundred twenty-two".