2105422255 has 4 divisors (see below), whose sum is σ = 2526506712. Its totient is φ = 1684337800.

The previous prime is 2105422247. The next prime is 2105422321. The reversal of 2105422255 is 5522245012.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2105422255 - 2³ = 2105422247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210542221 + ... + 210542230.

It is an arithmetic number, because the mean of its divisors is an integer number (631626678).

Almost surely, 2^2105422255 is an apocalyptic number.

2105422255 is a deficient number, since it is larger than the sum of its proper divisors (421084457).

2105422255 is an equidigital number, since it uses as much as digits as its factorization.

2105422255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421084456.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2105422255 is about 45884.8804618689. The cubic root of 2105422255 is about 1281.6803807223.

Adding to 2105422255 its reverse (5522245012), we get a palindrome (7627667267).

The spelling of 2105422255 in words is "two billion, one hundred five million, four hundred twenty-two thousand, two hundred fifty-five".