2205243642 has 16 divisors (see below), whose sum is σ = 5040556992. Its totient is φ = 630069600.

The previous prime is 2205243631. The next prime is 2205243659. The reversal of 2205243642 is 2463425022.

2205243642 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 26252859 + ... + 26252942.

It is an arithmetic number, because the mean of its divisors is an integer number (315034812).

Almost surely, 2^2205243642 is an apocalyptic number.

2205243642 is an abundant number, since it is smaller than the sum of its proper divisors (2835313350).

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

2205243642 is a wasteful number, since it uses less digits than its factorization.

2205243642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52505813.

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

The square root of 2205243642 is about 46960.0217419030. The cubic root of 2205243642 is about 1301.6239354573.

Adding to 2205243642 its reverse (2463425022), we get a palindrome (4668668664).

The spelling of 2205243642 in words is "two billion, two hundred five million, two hundred forty-three thousand, six hundred forty-two".